3 years ago

What is the value of x? Enter your answer in the box.

Mathematics

1 answer:

mezya [45]3 years ago

4 0

In triangle the sum of the angles =180,and we have angle=124 so,180-124=56.
X=4

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Billie solved the equation below by completing the square, but she got the incorrect solution. In which step did Billie first ma

Tanzania [10]

Answer:

step 2

Step-by-step explanation:

we have

$x^{2} +10x-49=0$ ---> given problem

step 1

Move the constant to the right side

$x^{2} +10x=49$

the step 1 is correct

step 2

Complete the square

$x^{2} +10x+5^2=49+5^2$

$x^{2} +10x+5^2=74$

The step 2 is not correct

step 3

Rewrite as perfect squares

$(x+5)^{2}=74$

step 4

take square root both sides

$x+5=\pm\sqrt{74}$

step 5

Find the values of x

$x=-5\pm\sqrt{74}$

$x=-5+\sqrt{74}$

$x=-5-\sqrt{74}$

5 0

3 years ago

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lorasvet [3.4K]

THE SECOND ONE IS TRUE

good luck

3 0

3 years ago

Read 2 more answers

What do x square equal

malfutka [58]

X * x

or

x times x

or

x times itself

or

x squared

all means the same thing

7 0

3 years ago

Judy is making scarves to give to her family as gifts. She needs to make 5 scarves and each scarf is 3.75 feet long. How many ya

Trava [24]

You multiply five by 3.75 and you get 18.75 ft. to get yards you divide by three and you get 6.25 yards

6 0

3 years ago

Find the missing side of the triangle. Round your answers to the nearest tenth if necessary.

Oliga [24]

Answer:

6.5cm)

Step-by-step explanation:

13.1 cm x 13.1 cm = 171.61

11.4 cm 11.4 cm = 129.96

171.61 - 129.96 = 41.65

Find the square root of 41.65.

41.65 = 6.4536811201050 x 6.4536811201050

Round 6.4536811201050.

x = 6.5cm

Note:

Pls let me know if my answer is incorrect, for the other users that will see this response. Thx!

-kiniwih426

8 0

3 years ago