1 and 2 I need this before 10 pm please ASAP I need it quick or I get a bad grade

Answers

Answer 1

Answer:

A. 6 feet

B. 38 feet of fencing total

Step-by-step explanation:

a. We are given 78 square feet as the total area that the fence encloses. Given this, we can use the A=l*w to solve for the side lengths.

A=l*w

Plug in known variables and simplify...

Step 1: Subtract 78 from both sides.

x^2+7x−78=78−78

x^2+7x−78=0

Step 2: Factor left side of equation.

(x−6)(x+13)=0

Step 3: Set factors equal to 0.

x−6=0 or x+13=0

x=6 or x=−13

For this case we will need to use the positive value.

so to check the answer, we can plug in 6 for x and check if it will equal 78.

(6+7)(6)

13*6

b. now given the value of x, we need to solve for the total amount of fencing by finding the perimeter.

We already know that one side is 6+7 or 13, and the other side is 6, so to find perimeter we use the formula 2l+2w

and solve...

2*13+2*6

26+12

Related Questions

Help me plssss!!!!!!

Answers

Answer:

take a clear pic and re-upload......

For an angle with measure x in a right triangle, sin x = 112/113
and tan x = 112/15. What is the value of cos x?

Answers

Answer:

cosx=Adj/hyp

cosx=15/113

Find two integers whose sum is -9 and product is -10

Answers

Step-by-step explanation:

if the two integers are x and y

xy=-10

x+y=-9

x+(-10/x)=-9

x2+9x-10=0

(x-1)(x+10)=0

x=1 or x=-10

if x=1, y=-10

if x=-10, y=1

so the two integers are 1 and -10

What scale factor was applied to the first rectangle to get the resulting image?

Answers

Answer:

2.5

Step-by-step explanation:

7.5/2=2.5

b) The ratio 3:5 can be written in the form 1:n

Answers

You would do 3 divided by 3 and 5 divided by 3 so 1:1.7

The blue dot is at what value on the number line?

Answers

I need more info to answer

each line has a decrease of 2, we can tell this by the given values of -7 and -3.

the answer would be 1

hope this helped, pls mark brainliest!

ASAP HELP

triangle a is reflected in the line x=1 to give triangle b triangle b

Answers

Answer:

A reflection over y=-x

Step-by-step explanation:

Im almost positive

3 teas and 2 coffees have a total cost of £7.80.

5 teas and 4 coffees have a total cost of £14.20.

Work out the cost of one tea and the cost of one coffee.

Answers

Answer:

coffee is £1.80 per cup and tea is £1.40 per cup

Step by Step:

The question can be written algebraically, as:(a) 3t + 2c = 7.80(b) 5t + 4c = 14.20To work out the individual costs, we need to make one of the sets of variables equal. We can do this by multiplying the equation (a), giving (c):(a) 6t + 4c = 15.60(c) 5t + 4c = 14.20We can then subtract (c) from (a), giving:t = 1.40T can then be substituted into the initial equation (a), to work out the value of c:(3 x 1.40) +2c = 7.804.20 +2c = 7.802c = 3.60c = 1.80Finally we can check these values by substituting into (b):(5 x 1.40) + (4 x 1.80) = 7 + 7.2 = 14.20Then make sure to show your answers clearly, with units:coffee is £1.80 per cup and tea is £1.40 per cup

Both my numerator and my denominator are even numbers, and their sum is 68. I am equivalent to 7/10
.

What fraction am I?

Answers

Answer:

28/40

Explenation:

28+40= 68. 28/40 simplified is 7/10ths and both 28 and 40 are even numbers.

The table gives 20 years of data on the number of students in a particular school who dropped out in the ninth grade. A sample is taken to include only the last 3 years of this data. With this information, calculate both the population mean and the sample mean for ninth-grade dropouts per year.

Answers

Answer:

4.35 and 5.33

HELPPPPP ME PLEASE!!!!!!!!

Answers

Answer: Median 38 / Mean 24.5

Step-by-step explanation:

The median is 38

and

The mean is 24.5

To find the median just find the number in the middle of an odd set

but if it happens to be an even number add the 2 middle numbers together and divide them by 2

To find the Mean add all of the numbers and divide them by the number of sets ( in this instance its 4 )

Help me with this math assignment please ASAP

Answers

Answer:

5 I don't know if it's right but I am a trying

A horizontal line includes the points (0, -2) and (3, -2). Find the slope of the line.

wil give BRAINLIEST
pls answer correctly

Answers

Answer:

We conclude that the slope of the line containing the points (0, -2) and (3, -2) is:

[tex]m = 0[/tex]

Step-by-step explanation:

Given that the line includes the points

(0, -2)(3, -2)

We need to find the slope of the line containing the points between (0, -2) and (3, -2) using the formula

[tex]m=\frac{y_2-y_1}{x_2-x_1}[/tex]

where m is the slope between (x₁, y₁) and (x₂, y₂)

In our case,

(x₁, y₁) = (0, -2)(x₂, y₂) = (3, -2)

now substituting (x₁, y₁) = (0, -2) and (x₂, y₂) = (3, -2) in the slope formula

[tex]m=\frac{y_2-y_1}{x_2-x_1}[/tex]

[tex]m=\frac{-2-\left(-2\right)}{3-0}[/tex]

[tex]m=\frac{-2+2}{3}[/tex]

[tex]m=\frac{0}{3}[/tex]

[tex]m = 0[/tex]

Therefore, we conclude that the slope of the line containing the points (0, -2) and (3, -2) is:

[tex]m = 0[/tex]

At the gym, Hillary swims every 6 days, runs every 4 days and cycles every 16 days. If she did all three activities today, What will be the closest day that you will do the three exercises the same day?

GCF AND LCM

Answers

Step-by-step explanation:

We need to do LCM in this case.

2_|_ 6,4,16

2 _|_ 3,2,8

_|_ 3, 1,4

It is not divisible further.

So, LCM is 2×2×3×4 = 48

So, 48 is the answer.

Hope it helps :)

[tex].[/tex]

The length of a rectangle is twice its width. The perimeter is 60 f. Find its area.
A-2002
A-902
A-1002

Answers

Answer:

Length of the rectangle= 20

breadth of the rectangle= 10

area = l*b

=20*10

=200

does anyone know SSS and SAS??

Answers

It means SSS means side, side, side and SAS is Side, Angle, Side

cuánto son cinco veces doce

Answers

Answer:

Yes

Step-by-step explanation:

prove that there is only one circle determined by three noncollinear points

Answers

Answer:

O lies on the perpendicular bisector of AB. ... Then, O' will lie on the perpendicular bisector PQ and RS. We know that, two lines cannot intersect at more than one point, So O' must coincide with O. Hence, there is one and only one circle passing through three non collinear points

Step-by-step explanation:

O lies on the profitable day. Oh lord I shall take this gift and hold it with my word amen.

What is the perimeter of the triangle?

Answers

Answer:

The answer is 36

Step-by-step explanation:

First, suppose that each square is the unit length, and from it the length of the hall can be calculated and we find that it is equal to 10, then to find the value of the other two we drop a column of the vertex of the triangle on the base and find that its length is 12 units and it divides the base into two equal halves, so we determine that each side equals 13 units using Pythagoras and it will be The lengths of the sides of the triangle are 10, 13, 13

Then the perimeter is

[tex]10 + 13 + 13 = 36[/tex]

HELPPPPPP SOMEONE PLEASE

Answers

Answer:

the answer should be A) 12

Step-by-step explanation:

54 ÷ 3^2 × 2

54 ÷ (3 × 3) × 2

54 ÷ 9 × 2

6 × 2

if 10 KM = 5/6 hour, 1 hour=

Answers

Answer:

Step-by-step explanation:

10/5x6=12

WILL GIVE BRAINLIEST

Answers

Answer: The correct answer is C.

Step-by-step explanation: Divide 15 and 6. That'll give you 6.5. Therefore, the correct answer is C.

Answer:

The answer is C 2.5

Step-by-step explanation:

Because u have to divide 15 by 6

um some help please? asap

Answers

I think it’s 24 but not 100%

Please I need the answer ASAP and not wrong, take your time.

Answers

Answer:

x is 83 degrees.

Answer:

x is 83 degrees

Explanation:

I really need help please :))))))

Answers

Answer:

If there were 25% fewer sunny days this year, then the answer would be 75%. This is because there are(100-25)% of the sunny days this year compared to last year.

Let me know if this helps!

Gavin took a taxi home from the airport. The taxi fare was $7 plus an additional $0.65 per mile.
Gavin gives the driver a $3 tip when he arrives home. If Gavin paid a total of $62.65 with the tip,
what is the distance between the airport and Gavin's house?

Answers

Answer:

Step-by-step explanation:

$62.65-$7-$3=$52.65

Distance->52.65÷0.65=81

81 miles, he paid 7$ and 3$ for a total of 10$ not including the expense per miles, so you would subtract 10$ off of 62.65$ to get 52.65$ for how much he paid for the distance, and then divide 52.65$ by 0.65$ to get 81 miles

On a map, 1 inch equals 5 miles. Two cities are 3 inches apart on the map. What is the actual distance between the cities?
The actual distance between the cities is ___ miles.

Answers

Answer:

Step-by-step explanation:

cross multiplying, [tex]\frac{1}{5}[/tex] × [tex]\frac{3}{x}[/tex]

then it would be 15 =1x

and 1x is basically just one, so 15 = x

How many terms are in the expression below.

15+7x-8+4

Answers

Answer:

None

Step-by-step explanation:

I don't think you count terms that are being added together. You can only count if they are terms when you multiply or divide but never when you add or subtract I AM pretty sure.

Tell me if I'm wrong.

Answer:

Step-by-step explanation:

The sum of 6 and y is greater than – 16.

Answers

Answer: 6+y < -16

Step-by-step explanation:

Consider the quadratic expression given below.

4x^2 + 8x - 60

Factor the following expression completely.

Answers

Answer:

4(x + 5)(x - 3)

Step-by-step explanation:

Given

4x² + 8x - 60 ← factor out 4 from each term

= 4(x² + 2x - 15) ← factor the quadratic

Consider the factors of the constant term (- 15) which sum to give the coefficient of the x- term (+ 2)

The factors are + 5 and - 3 , since

+ 5 × - 3 = - 15 and + 5 - 3 = + 2, then

x² + 2x - 15 = (x + 5)(x - 3)

Then

4x² + 8x - 60 = 4(x + 5)(x - 3) ← in factored form

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