Can yall help answer these math questions? It’s for marks I’d really appreciate it if you guys can answer.

A. 21

I just took my exam and got it right.

Answer:

b

Step-by-step explanation:

yes its right

Answer:

1) x=11

2)x=9

3)pr=21

4)fe=68

Answer:

See proof below

Step-by-step explanation:

Two angles that are linear pair sums up to 180°

If angles 1 and a are a linear pair and that angles b and 2 are also a linear pair, then;

1+a = 180....1

2+b= 180....2

Taking the sum of both equations

1+2+a+b = 360°... 3

Note that the sum of the adjacent angles will also be 180° since they also lie on the same straight line, hence;

1+2 = 180°...4.

Substitute 4 into 3

From 3;

1+2+a+b = 360°

(1+2)+(a+b) = 360°

180+(a+b) = 360

a+b = 360-180

a+b = 180

Since the sum of a and b is 180°, this shows that angles are supplementary since the sum of 2 supplementary angles is also 180°

Hence this shows that the consecutive interior angles a and bare supplementary.

Answer:

180-35=145 Degrees

Step-by-step explanation:

TBH I may not have a complete understanding; but what I do know is a straight line (or angel if you so chose) is equal to 180 degrees (NOTE: supplementary- angels are when 2 angels that are added up to 180 degrees) and on my part of the question is: "Starting with the fact that angles 1 and a are a linear pair and that angles b and 2 are also a linear pair, use a two column proof that consecutive interior angles a and b are supplementary".

Now in my whole complete course its asking a bout a ski slope and it gives me the 35 degree angle and we need to figure out the missing angle, we have the same picture as listed above.... knowing that straight lines are 180 degrees I subtracted 180-35 and I got 145 degrees now either i'm right or i'm missing som I did in a few years back but most of my information is basically backed up by some understanding I do know

Answer:

B=60 C=120

Step-by-step explanation:

Supplementary angles add up to 180.

so

2x-40+2×+20=180

4×-20=180

4×=200

×=50

B 2(50)-40=100-40=60

C 2(50)+20=100+20=120

Answer:

sorry I cant understand--

Answer:

Step-by-step explanation:

[tex]p=24,\ b=\frac{p}{3}=8\\ \\ h=\sqrt{64-16},\ h=\sqrt{48}\\ \\ A=\frac{bh}{2}\\ \\ A=4\sqrt{48}in^2\\ \\ A=16\sqrt{3}in^2\\ \\ A\approx 27.7in^2[/tex]

Answer:

Step-by-step explanation:

80x(1+0.15)=80x1.15

                 =92

Here goes the answer. Hope it helps you.

Answer:

10 por 10

5 por 20

50 por 2

1 por 100

25 por 4

Step-by-step explanation:

Answer:

no

Step-by-step explanation:

the total would be $19.55 before tax and tip

Answer: $45.70 per day

Step-by-step explanation:

$228.50/5=$45.70 per day

Answer:

0.5%

Step-by-step explanation:

[tex]\huge\text{Hey there!}[/tex]

[tex]\large\text{In order for you to convert fractions into percentages you have DIVIDE}\\\large\text{the NUMERATOR from DENOMINATOR, whatever its outcome is}\\\large\text{MULTIPLY it by 100}[/tex]

[tex]\mathsf{\dfrac{1}{100}=1\div100\rightarrow \bf{0.005}}\\\\\\\mathsf{0.005\times 100 = 0.5\%}\\\\\\\boxed{\boxed{\large\text{Answer: \bf{0.5\%}}}}\huge\checkmark[/tex]

[tex]\text{Good luck on your assignment and enjoy your day!}[/tex]

~[tex]\frak{Amphitrite1040:)}[/tex]

Answer:

4.24264

Step-by-step explanation:

Answer:

3

Step-by-step explanation:

I don't know how to explain. •-• Sorry!

Answer:

1 meter left

Step-by-step explanation:

100 cm makes up a meter so 300 + 400 is 700 which is 7 meters so he has 1 meter left

Answer:

Mr. Ryan has 1 meter or 100 centimeters ethier (answer is correct)  

Step-by-step explanation:

How many meters of cable did Mr. Ryan have left?

Let's start here with that for every meter(m) there is 100 centimeters(cm) so in other words 1 meter = 100 centimeters

300 cm=3 m           400 cm=4 m

3m+4m=7m             300cm+400cm=700cm

__________________________________________________________800cm-700cm=100cm

8m-7m=1m  

Step-by-step explanation:

Since every triangle adds up to 180 degrees the unknown side would be 53!++

Hi mate....

Step-by-step explanation:

This is your answer....

Triangle Fixed Value = 180°

AC = 180 - (30 + 87)

= 180 - 117

= 63°

Checking your answer....

= 117 + 63

= 180°

Hope it helps you....

Mark me as the brainliest.....

FOLLOW ME!

Answer:

Step-by-step explanation:

length of PQ = √[(0-(-3))²+(4-0)²] = 5

area of square = 5² = 25 units²

Answer:

Step-by-step explanation:

all of them are congruent

Answer:

4 And -4 i think it depends

Step-by-step explanation:

Answer:

Step-by-step explanation:

Answer:

Option C: 2 books for $14, 5 books for $35

Step-by-step explanation:

A proportional relationship between two quantities would always have a constant of proportionality. Thus,

Constant of proportionality, k = y/x

In this case,

x = quantity of books

y = price

Let's see which pair will have a constant of proportionality:

Option A: 4 books for $24,8 books for $40

24/4 = 6;

40/8 = 5.

No constant of proportionality.

Option B: 5 books for $25, 6 books for $36

25/5 = 5

36/6 = 6

No constant of proportionality.

Option C: 2 books for $14, 5 books for $35

14/2 = 7

35/5 = 7

Constant of proportionality, k = 7.

This pair represents a proportional relationship.

Option D: 3 books for $15, 7 books for $28

15/3 = 5

28/7 = 4

No constant of proportionality.

Answer:

slope is -1

Step-by-step explanation:

Answer:

C) 55 cm^2

Step-by-step explanation:

(12x3)+(8x2)+(1/2)(3)(2) = 55

The area of composite figure is 55 square cm .

The space occupied by a flat shape or the surface of an object is called area.

[tex]A = \frac{1}{2}bh[/tex]

Where,

A is the area of triangle

b is the base of the triangle

h is the height of the triangle

A = b × h

Where,

A is the area of parallelogram

b is the base of parallelogram

h is the height of the parallelogram

A = length × breadth

According to the given figure

Composite figure is made up of triangle, rectangle and parallelogram

Also,

Height of triangle = 3cm

Base of the triangle = 2cm

length of the rectangle = 8cm

breadth of the rectangle = 2cm

Height of the parallelogram = 3cm

Base of the parallelogram = 12cm

Therefore,

Area of triangle = 1/2 × 3 ×2 = 3 square cm

Area of rectangle = 2 × 8 = 16 square cm

Area of parallelogram = 12 × 3 = 36 square cm

Therefore,

Area of the composite figure = area of triangle + area of parallelogram + area of rectangle

⇒ Area of composite figure = 36 + 16 + 13 = 55 square cm.

Hence, the area of composite figure is 55 square cm .

Learn more about area here:

https://brainly.com/question/27683633

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Answer:

The answer is −13 /6 x−14.

Answer:

1/3 3/9. 4/12

Step-by-step explanation:

Answer : 1/3

Explanation : you can divide 2•2=1 and 6•2=3

Answer:

20:24

Step-by-step explanation:

20 stars

colon is to

24 hearts

Answer:

Step-by-step explanation:

Did you mean: Change 19/4 into a mixed number (fraction).

How do you turn 19/4 into a mixed number?

As an improper fraction. (numerator larger than denominator): 19/4 = 19/4

As a mixed number (mixed fraction) (a whole number and a proper fraction, of the same sign): 19/4 = 4 3/4

As a decimal number: 19/4 = 4.75.

As a percentage: 19/4 = 475%

4 and 3/4

16/4 equals 4; then 19/4-16/4 = 3/4, so that's left over.

Answer:

cool

Step-by-step explanation:

Answer:

tells i think

Step-by-step explanation:

it would be tattling not telling..righttttt?????

Answer:

a) 3 hrs 35 mins

b) 2 hrs 45 mins

c) 4 hrs 30 mins

d) 4 hrs 5 mins

Step-by-step explanation:

The difference, in hours and minutes, between these times are;

a) 3 hrs 35 mins

b) 2 hrs 45 mins

c) 4 hrs 30 mins

d) 4 hrs 5 mins

Algebra is the study of abstract symbols, while logic is the manipulation of all those ideas.

The acronym PEMDAS stands for Parenthesis, Exponent, Multiplication, Division, Addition, and Subtraction. This approach is used to answer the problem correctly and completely.

The difference, in hours and minutes, between these times can be calculated as;

a) 13 40 and 17 15

13 :40 - 17 : 15

= 3 hrs 35 mins

b) 11 :25 and 14: 10

11 :25 - 14: 10

= 2 hrs 45 mins

c) 2:50 am and 7:20 am

2:50 am - 7:20 am

=  4 hrs 30 mins

d) 10:35 am and 2:40 pm

10:35 am - 2:40 pm

= 4 hrs 5 mins

More about the Algebra link is given below.

brainly.com/question/953809

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