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4 years ago

Please I need help!! I’m giving 80 points!

Mathematics

2 answers:

vredina [299]4 years ago

6 0

Draw a ray and label the endpoint A or B, pointe shoe points A and B one on and point and draw a race through them

GaryK [48]4 years ago

6 0

Answer:

D. Draw a ray and label the endpoint X or Y.

Step-by-step explanation:

Congruent means same shape, size, same everything, so D has a description that fits segment XY.

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−6(x+7)=−4x−2 how many solutions

yaroslaw [1]

Answer: There is one solution, -20

Step-by-step explanation:

$-6(x+7)=-4x-2\\\\Distribute\\\\-6x-42=-4x-2\\\\Add(6x)\\\\-42=2x-2\\\\Add(2)\\\\-40=2x\\\\x=-20$

There is one solution, -20

Hope it helps <3

8 0

3 years ago

Read 2 more answers

Find the area of a circle with radius, <br> r<br> = 7.15m.<br> Give your answer rounded to 2 DP.

olchik [2.2K]

$\boxed{\Large {\mathcal {{{\color{orange}{Area \: of \: circle \: = \: πr²}}}}}}$

r = 7.15m

$\large \rm \pink{ \: Area \: of \: circle }\:\large\blue\implies \tt \large πr²\: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \\ \\ \large \rm \pink{ \: Area \: of \: circle }\:\large\blue\implies \tt \large \frac{22}{7} \: \times\:{7.15}^{2} \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \\ \\\large \rm \pink{ \: Area \: of \: circle }\:\large\blue\implies \tt \large \frac{22}{7} \: \times\:51.1225 \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \\ \\ \large \rm \pink{ \: Area \: of \: circle }\:\large\blue\implies \tt \large \frac{22}{ \cancel7} \: \times\: \cancel{51.1225} \: \: ^{ \red{7.303} } \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \\ \\ \large \rm \pink{ \:Area \: of \: circle }\:\large\blue\implies \tt \large {22} \: \times\:7.303 \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \\ \\ \large \rm \pink{ \: Area \: of \: circle }\:\large\blue\implies \tt \large \: 160.666 \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \:$

Hence , the area of circle is 160.66 m²

3 0

2 years ago

Read 2 more answers

Solve this system of linear equations. Separate the x- and y-values with a comma. -3x=42-16y 14x=76-16y

myrzilka [38]

Answer:

$(2,3)$

Step-by-step explanation:

The given equations are:

1st: -3x=42-16y

2nd: 14x=76-16y

Subtract the first equation from the second one:

14x--3x=76-42-16y--16y

14x+3x=34-16y+16y

17x=34

$x=\frac{34}{17}=2$

We plug in x-value into the second equation to get:

14(2)=76-16y

14x=76-32

28-76=-16y

-48=-16y

Divide both sides by -16

y=3

5 0

3 years ago

Which could you use to prove triangle AED is congruent to triangle CEB?

Hunter-Best [27]

Answer:

Option (C)

Step-by-step explanation:

Given:

In right triangles ΔAED and CEB,

m∠AED = m∠CEB = 90°

DE ≅ BE

AD ≅ BC

To prove:

ΔAED ≅ ΔCEB

Statements Reasons

1). m∠AED = m∠BC = 90° 1). Given

2). DE = BE 2). Given

3). AD = BC 3). Given

4). ΔAED ≅ ΔCEB 4). By HL theorem of congruence

Option (C) is the answer.

4 0

3 years ago

Determine the unit rates represented by<br> 1. Zephra ran 2 miles in 0.25 hour.

Harlamova29_29 [7]

The unit rate represents 2 miles in 0.25 hour is 8 miles per hour

Step-by-step explanation:

Let us revise the meaning of rate and unit rate

1. A rate is a ratio that is used to compare different types of quantities

2. A unit rate shows how many units of the first type of quantity

corresponds to one unit of the second type of quantity

Examples:

Cost per item

Distance per hour

∵ Zephra ran 2 miles in 0.25 hour

- To find the unit rate make the denominator of the ratio = 1

∵ The unit rate = $\frac{2}{0.25}$

- Divide up and down by 0.25

∵ 2 ÷ 0.25 = 8

∵ 0.25 ÷ 0.25 = 1

∴ The unit rate = $\frac{8}{1}$

∴ The unit rate = 8 miles per hour

The unit rate represents 2 miles in 0.25 hour is 8 miles per hour

Learn more:

You can learn more about rate in brainly.com/question/9533500

brainly.com/question/317616

#LearnwithBrainly

7 0

4 years ago