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Licemer1 [7]
2 years ago
8

I really had some trouble with this problem:( & I need some help

Mathematics
1 answer:
Natasha_Volkova [10]2 years ago
7 0
The answers are in the photo

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HELPPP!!!
xxMikexx [17]

The angles ∠CFE and ∠AFB are vertically opposite angles. Then the value of x will be 6.

<h3>What is an angle?</h3>

Angle is the space between the line or the surface that meets.  And the angle is measured in degree. For complete 1 rotation, the angle is 360 degrees.

Vertically opposite angle - When two lines intersect, then their opposite angles are equal.

We know that the angle ∠DFE is 90°.

Then the sum of the angle ∠CFD and ∠DFE will be

∠CFD + ∠DFE = 27° + 90°

∠CFD + ∠DFE = 117°

Then the angles ∠CFE and ∠AFB are vertically opposite angles. Then we have

∠CFD = ∠DFE

Put the values

21x - 9 = 117

    21x = 126

        x = 6

More about the angled link is given below.

brainly.com/question/15767203

#SPJ1

8 0
2 years ago
Plz help I am timed
kramer

Answer:

C

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
In a certain​ country, the mean birth weight for boys is 3.27 ​kg, with a standard deviation of 0.51 kg. Assuming that the distr
Degger [83]

Answer:

0.066

Step-by-step explanation:

We solve this question using z score formula

z = (x-μ)/σ, where

x is the raw score

μ is the population mean

σ is the population standard deviation

For the question

mean birth weight for boys is 3.27 ​kg, with a standard deviation of 0.51 kg.

x = 2.5

Hence:

z = 2.5 - 3.27/0.51

z = -1.5098

Probability value from Z-Table:

P(x ≤ 2.5) =P(x < 2.5) = P(x = 2.5) =

=0.065547

Therefore, the proportion of baby boys that are born with a low birth weight is 0.066

5 0
3 years ago
Write 53 minutes to 4 hours as a ratio.
Hoochie [10]

Answer:

The minutes wouldn't it be hours?

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Write an algebraic expression that represents 2 less than 18 times a number?<br>​
german

Answer:

Step-by-step explanation:

18x-2

3 0
3 years ago
Read 2 more answers
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