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Neporo4naja [7]
3 years ago
11

WILL MARK BRAINLYIST

Mathematics
2 answers:
Leni [432]3 years ago
6 0

Answer:

a= 158

b=22

Step-by-step explanation:

First we have to find b in order to find a.

To find b we need to add up the two angles we know the value of and subtract it from 180.

90+68= 158

180-158=22

We know b is 22 because the sum of all angles in a triangle is always 180.

Now that we have b we can find a.

we know that a+b=180 so all we have to do is subtract 22 from 180 to get 158.

Alik [6]3 years ago
3 0

Answer:

b is 22° and a is 158°

Step-by-step explanation:

b can be calculated by angle sum property and a can be calculated using exterior angle sun property

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If EF = 4x-15, FG=3x-7, and EG =20, find the value of x, EF and FG. The drawing is not to scale.
Andrej [43]

Step-by-step explanation:

EF = 4x - 15

FG = 3x - 7

EG = EF + FG = 20

so,

4x - 15 + 3x - 7 = 20

7x - 22 = 20

7x = 42

x = 6

EF = 4×6 - 15 = 9

FG = 3×6 - 7 = 11

4 0
2 years ago
What is the percent of change from 75 to 14 rounded to nearest percent??
zhuklara [117]

- 81 %

Step-by-step explanation:

To find the percentage change;

([Current – Initial] / Initial) * 100

([14 - 75] / 75) * 100

(-61 / 75) * 100

(-0.81333) * 100

= - 81.3333 %

To the nearest percentage;

=  - 81 %

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3 0
2 years ago
Let f be a function such that f(x)=5x-3 is defined by the domain 2≤x≤5. The range of the function is
sasho [114]

Answer:

1. Multiply like the - isn't there

2.add it

3. Idk I just out something XD

Step-by-step explanation:

8 0
2 years ago
Can you help with this problem 5×-(14-×)=-30-2×​
REY [17]

Answer:

-2

Step-by-step explanation:

First remove parenthesis. Next collect the like terms. Next move terms. Next collect the like terms and calculate. Divide both sides by 8. Your answer is -2

6 0
3 years ago
Please help me with this question! :
Anna11 [10]

Answer:

155 cm2

Step-by-step explanation:

3 x 4/2=6

6 x 2=12

5 x 11=55

55 x 2=110

3 x 11=33

12+110+33=155

I found the surface area of the triangular prism by calculating every side of the area and add it up.  

5 0
3 years ago
Read 2 more answers
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