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Anarel [89]
2 years ago
8

.................................................................................................

Mathematics
1 answer:
Lena [83]2 years ago
5 0

Answer:

m<B = 141 degrees

Step-by-step explanation:

This shape is a heptagon meaning its angles should have a sum of 900 degrees.

we are given the degrees and we need to ad them up

148+90+120+129+130+142=749

then we subtract 749 from 900 which looks like

900-749=141

from subtracting 749 from 900 we get 141 hence we get our answer that m<B = 141 degrees

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Katlyn made 4 dresses with 7 yards of fabric how many yards of fadric did she use 1 dress
Ludmilka [50]

To solve this equation with algebra

4/7 = 1/x

(4/7)x = (1/x)x

4x/7 = 1

(4x/7)7 = 1(7)

4x = 7

4x/4 = 7/4

x = 1.75

1.75 yards of fabric are needed to make 1 dress.

Hope this helps! <3

5 0
3 years ago
Help solve this problem
KATRIN_1 [288]

Answer:

x = -7

Step-by-step explanation:

(x + 14) + (x + 12) = 12

Combine like terms

2x + 26 = 12

Subtract 26 from both sides

2x = -14

Divide both sides by 2

x = -7

5 0
3 years ago
Read 2 more answers
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gulaghasi [49]

Answer:

NANIIIIII?!?!

Step-by-step explanation:

8 0
3 years ago
If m∠CED = 56° and m∠AEB = (7x – 8)° then what is m∠BEC?
fredd [130]

Using the definition of angles on a straight line, the measure of angle BEC is: 62°.

<h3>What are Angles on a Straight Line?</h3>

Angles that lie on a straight line add up to 180 degrees.

Thus, given that EB bisects ∠AEC, therefore:

m∠BEC = 1/2(180 - m∠CED)

Plug in the values

m∠BEC = 1/2(180 - 56)

m∠BEC = 1/2(124)

m∠BEC = 62°

Thus, using the definition of angles on a straight line, the measure of angle BEC is: 62°.

Learn more about angles on a straight line on:

brainly.com/question/24024505

8 0
3 years ago
Alyssa spent 365 hours commuting on the train over the course of 54 days.if she rode the same amount of time per day , approxima
Alecsey [184]

Approximately 6.8 hours Alyssa spends on the train per day.

Given that, Alyssa spent 365 hours commuting on the train over the course of 54 days.

We need to find the number of did Alyssa spend on the train per day.

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

In mathematics, an equation is a formula that expresses the equality of two expressions, by connecting them with the equals sign =.

Let the number of hours Alyssa spends on the train per day be x.

Now, x=365/54

=6.759≈6.8 hours

Therefore, approximately 6.8 hours Alyssa spends on the train per day.

To learn more about an equation visit:

brainly.com/question/14686792.

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8 0
2 years ago
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