What equation can be used to solve for x

Answer:

$225.50

Step-by-step explanation:

a p e x

Answer:

Step-by-step explanation:

18 - 7m > 0 ⇒ 7m < 18 ⇒ m < 18/7

Answer:

[tex] \displaystyle m_{1} = 2 \quad \text{and} \quad \displaystyle m _{2} = - 9[/tex]

Step-by-step explanation:

we are given a logarithm equation

[tex] \displaystyle \log_{4}( {m}^{2} ) = \log_{4}(18 - 7m) [/tex]

notice that, we have [tex]\log_4[/tex] both sides therefore we can get rid of it

[tex] \displaystyle {m}^{2} = 18 - 7m[/tex]

in order to solve it we should make it standard form we know that

[tex] \displaystyle a {x}^{2} + bx + c = 0[/tex]

so right hand side expression to left hand side and change its sign:

[tex] \displaystyle {m}^{2} + 7m- 18=0[/tex]

now we can solve it by using factoring method

to do so rewrite the middle term as sum or subtraction of two different terms

in that case -2m+9m is good to use

[tex] \displaystyle {m}^{2} - 2m + 9m - 18 = 0[/tex]

factor out m:

[tex] \displaystyle m({m}^{} - 2 )+ 9m - 18 = 0[/tex]

factor out 9:

[tex] \displaystyle m({m}^{} - 2 )+ 9(m - 2)= 0[/tex]

group:

[tex] \displaystyle (m - 2)(m + 9) = 0[/tex]

hence,

[tex] \displaystyle m_{1} = 2 \quad \text{and} \quad \displaystyle m _{2} = - 9[/tex]

remember that,

when we deal with logarithm equation we should always check the roots

let's check the root 1:

[tex] \displaystyle \log_{4}( {2}^{2} ) \stackrel{?}{=} \log_{4}(18 - 7.2) [/tex]

simplify square:

[tex] \displaystyle \log_{4}( 4) \stackrel{?}{=} \log_{4}(18 - 7.2) [/tex]

simplify multiplication:

[tex] \displaystyle \log_{4}( 4) \stackrel{?}{=} \log_{4}(18 - 14) [/tex]

simplify substraction:

[tex] \displaystyle \log_{4}( 4) \stackrel{?}{=} \log_{4}(4) [/tex]

simplify logarithm:

[tex] \displaystyle 1 \stackrel{ \checkmark}{=} 1[/tex]

let's check root 2:

[tex] \displaystyle \rm \log_{4}( { - 9}^{2} ) \stackrel{?}{=} \log_{4}(18 - 7.( - 9)) [/tex]

simplify square:

[tex] \displaystyle \rm \log_{4}( 81 ) \stackrel{?}{=} \log_{4}(18 + 63) [/tex]

simplify addition:

[tex] \displaystyle \rm \log_{4}( 81 ) \stackrel{ \checkmark}{=} \log_{4}(81) [/tex]

therefore,

[tex] \displaystyle m_{1} = 2 \quad \text{and} \quad \displaystyle m _{2} = - 9[/tex]

Answer:

the red one represents nature trails in Panama city. because by plugging in a number into the equation say for 1 in x = y being 3 which corresponds to be linear.

Jacksonville will have more nature trails sine the formula is growing exponentially rather than Panama linear growth.

Answer:

C. r+r+r+t+t = 3r + 2t

Step-by-step explanation:

because we cant add numbers with different variables

Answer:

C

Step-by-step explanation:

There is a larger variety of lengths in the 9th grade textbook

Answer:

the third option

Step-by-step explanation:

im pretty sure about this <3

Answer:

7inches

Step-by-step explanation:

Volume of a cylinder = πr²h

r is the radius of the cylinder

h is the height of the cylinder

Given

r = 3inches

Volume = 197.92 cubic inches

Substitute

197.92 = 3.14(3)²*h

197.92 = 28.26h

28.26h = 197.92

h = 197.92/28.26

h = 7.003in

Hence the measurement that is closest to the height of the waste can is 7inches

Answer:

D: The total area of the surface of a three-dimensional object.

Answer:

[tex]x \geq 15[/tex]

Step-by-step explanation:

Solving an inequality is very similar to solving an equation, one uses inverse operations. The only major difference between the two is that when one multiplies or divides an inequality by a negative number, one must remember to flip the inequality sign to ensure that the inequality remains true. In this situation, such a rule does not come into play.

[tex]\frac{x}{5} - 8 \geq -5[/tex]

Inverse operations,

[tex]\frac{x}{5}-8 \geq -5\\ +8\\\\\frac{x}{5} \geq 3\\*5\\\\x \geq 15[/tex]

Answer:

-2

Step-by-step explanation:

you're subtracting 2 from each to get the next number, so the answer is -2

hope this helps, have a wonderful day :))

Answer:28\2

Step-by-step explanation:

7+7=14

7+7=14

14+14=28

Triangle A=1\2bh

So 28\2

The pebbles cover an area of 147 sq ft. We can use the Pythagorean theorem to find the solution.

The Pythagoras theorem states that in a right triangle, the square of the hypotenuse is equal to the sum of the square of the other two sides.

Now, Let's call the length of the third side of the triangle "x".

Since the two triangles are equal in size, and they share two sides with the square, we can use the Pythagorean theorem to find x.

a² + b² = c²

7² + 7² = c²

49 + 49 = c²

98 = c²

c = √(98)

c = 7 √(2)

So, each triangle has a base of 7 ft and a height of 7 √(2) ft.

And, Area of each triangle = (base × height) / 2

                                          = (7 × 7√(2)) / 2

                                          = 24.5 ft²

Since, there are two triangles,

Hence, the total area of the grass is,

⇒ 24.5 sq ft × 2 = 49 sq ft

Hence, The square has an area of,

⇒  14ft × 14ft = 196 sq ft

So, The pebbles cover an area of,

⇒ 196 sq ft - 49 sq ft = 147 sq ft.

Learn more about Pythagorean theorem here: brainly.com/question/14930619

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Answer:

80

Step-by-step explanation:

5*16 = 80

Hence, the Marc has the number of cups are [tex]80[/tex].

What is the equation?

An equation can be defined as a mathematical statement consisting of an equal symbol between two algebraic expressions that have the same value.

The most basic and common algebraic equations in math consist of one or more variables.

Here given that,

Marc is filling one-cup containers with juice. He has five gallons of juice.

As we know,

[tex]1gallon=16cups[/tex]

So, it would be [tex]5(16)=80[/tex].

Hence, the Marc has the number of cups are [tex]80[/tex].

To know more about the equation

https://brainly.com/question/12788590

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Answer:

x = 1, -1

Step-by-step explanation:

Answer: 16x2 + 9 = 25 A. x = -4 and x = 4 B. x = 0 and x = 4 C.

Step-by-step explanation:

Answer:

$13.30

Step-by-step explanation:

Answer:

It was reduce by 25%

45 so it would be reduced by 25%

___

60

x 100% = 75%

Answer:

25%

Step-by-step explanation:

$60 - $45 = $15

$15/ $60 = 0.25 = 25%

Answer:

C) y=4x-5

Step-by-step explanation:

Answer:

76 feet

Step-by-step explanation:

57 to his right

76 to his front

it looks like atriangle but the breath (dirk and his science teacher are removed

Answer:

145 degrees

Step-by-step explanation:

The largest exterior angle would be the one with the smallest interior angle, which is 35 And exterior and interior angles is always 180.

180 - 35 = 145 degrees

I need the brainliest

Answer:

145 degrees

Step-by-step explanation:

I don't want the brainleist.

Step-by-step explanation:

answer 2.85 or 57/20 this is because you divide 20/7 and find it is 2.85... and convert frim there

Answer:

2 6/7

Step-by-step explanation:

B

Answer:

Answer: 0 is smallest perfect square but if Any number that can be written as a POSITIVE integer to the power of 2. then 1 is the smallest perfect square number.

Step-by-step explanation:

Answer:

Answer: 0 is smallest perfect square but if Any number that can be written as a POSITIVE integer to the power of 2. then 1 is the smallest perfect square number.

Step-by-step explanation:

Answer:1,2,5,7,8 and 9. Thus, we have 6 numbers.

Step-by-step explanation:Then we want to form two-digit numbers without repetition. There are 6 number that is possible to occupy first digit, right? 1,2,5,7,8 or 9. Because it’s without repetition, so the number that have been filled the first digit cannot be the second digit. Thus, the numbers that possible to occupy second place are 5 digits.So step by step

Answer:

a)  1/2

about 50%

Step-by-step explanation:

Answer:

9.) The slope is 3 and the y-intercept is -5

10.) y = 0.25x -11

Hope this helped!

Stay safe! <3

Answer:

$55.48

Step-by-step explanation:

nice to help you.hope it helps

Answer: It will take 1.875 hours

Step-by-step explanation:

Given that time t required to do a job varies inversely as the number of people working.

we have it expressed as

t∝1/N

where t is time  required to do a job

N is the number of people working.

Introducing our constant of proportionality, we have tht

t=k1/N

t=k/N

Now since it takes 5 hr for 3 cooks to prepare the food , K becomes

t=k/N

5=K/3

K=5X3=15

Given that there are 8 cooks, time required to prepare dinner will be

t=k/N

t=15/8

t=1.875 hours

Answer:

565

Step-by-step explanation:

5x5=25

540+25=565