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3 years ago

In the diagram, triangle GEF and triangle HEF are congruent. What is the value of x?

Mathematics

2 answers:

Harrizon [31]3 years ago

8 0

2(x+2) = 60
x+2 = 30
x = 28
The correct answer is C

serious [3.7K]3 years ago

4 0

Answer:

The correct answer is C 28

Step-by-step explanation:

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Factor the following polynomial completely.<br><br>y squared plus 5 zy plus 4 z squared<br><br>

sweet [91]

Answer:

(y + z)(y + 4z)

Step-by-step explanation:

${y}^{2} + 5zy + 4 {z}^{2} \\ = {y}^{2} + zy + 4zy + 4 {z}^{2} \\ = y(y + z) + 4z(y + z) \\ = (y + z)(y + 4z)$

7 0

4 years ago

Zoe made a scale drawing of a house and its lot. She used a scale of 1 inch : 3 feet. In real life, the backyard is 45 feet wide

stellarik [79]

I believe the answer is 15 inches

45/3=15

7 0

3 years ago

Read 2 more answers

Help me please explain is not needed but would be appreciated

TiliK225 [7]

Answer:

Step-by-step explanation:

To find angle B we use tan

tan ∅ = opposite / adjacent

From the question

AC is the opposite

BC is the side adjacent to angle B

So we have

tan B = AC / BC

tan B = 6/9

tan B = 1/3

B = tan-¹ 1/3

B = 18.43°

B = 18° to the nearest hundredth

Hope this helps you

8 0

3 years ago

Solve 5r2 – 12 = 68. {±4} {±5} {±3} {±6}

sashaice [31]

Hey there!

Assuming you meant

$5r^2 - 12 = 68$

If so, follow these steps so it can be a little bit easier to solve

Firstly, we have to $add$ by $12$ on each of your sides

$5r^2 -12 +12 \\ \\ 68 + 12$

$5r^2 = 5r^2 \\ \\ 68 + 12 = 80$

We get: $5r^2 =80$

Now, we have $divide$ by $5$ on each of your sides

$\frac{5r^2}{5} = \frac{80}{5}$

$\frac{80}{5} = 16$

We get: $r^2 = 16$

$r =$ ± $\sqrt{16}$

Therefore , your answer is: $r =$ ± $4$

Good luck on your assignment and enjoy your day!

~ $LoveYourselfFirst:)$

3 0

3 years ago

$11.25 is what percent of $375?<br> PLS Help Me!!!

Ivahew [28]

11.25/375 = 0.03 which is 3%

4 0

3 years ago