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Sav [38]
4 years ago
12

Recall that two angles are complementary if their sum of there measures 90°. Find the measure of two complementary angles if one

is eight times the other angle
Mathematics
1 answer:
IrinaK [193]4 years ago
8 0

Answer:

the angles would be 80 degrees and 10 degrees

Step-by-step explanation:

this is because complementary angles add up to 90, so if one was 8 times the other than you would just divide 90 by ten and then take one of the tens fro the smaller angle and then you would be left with 80

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Luisa liked 7 miles of a 21 mile trail. What percent of the trail did she hike?
sp2606 [1]
100(7/21) = ______%

And your answer is 33 and 1/3%
5 0
3 years ago
How do you solve 26/57= 849/5x
sergeinik [125]
If you would like to solve 26/57 = 849/5x, you can do this using the following steps:

<span>26/57 = 849/5x          /*(5x)
</span>26/57 * (5x) = 849     /*57
26 * 5x = 849 * 57    /26
5x = 48393/26        /5
x = <span>48393/(26*5)
x = 372.25

The correct result would be </span><span>372.25.</span><span>
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8 0
3 years ago
John wrote the numbers 678,901 and 67,890. How many times greater is the value of 7 in 678,901?​
worty [1.4K]

Answer:

The value of 7 in 678,901 is 10 times greater than the value of 7 in 67,890

Step-by-step explanation:

step 1

we have

678,901

Write in expanded form

678,901=600,000+70,000+8,000+900+1

The value of 7 is 70,000

step 2

we have

67,890

Write in expanded form

67,890=60,000+7,000+800+90

The value of 7 is 7,000

step 3

Divide 70,000 by 7,000

\frac{70,000}{7,000}=10

therefore

The value of 7 in 678,901 is 10 times greater than the value of 7 in 67,890

4 0
4 years ago
Read 2 more answers
In ∆ABC the angle bisectors drawn from vertices A and B intersect at point D. Find ∠ADB if: m∠С = γ
Rainbow [258]

Answer:

  90° + (γ/2)

Step-by-step explanation:

The angles in ΔADB have a sum of 180°, so ...

  (A/2) +(B/2) + ∠ADB = 180°

and so do the angles of ΔABC:

  A + B + γ = 180°

Dividing this second equation by 2 gives an expression for (A/2) +(B/2) that we can substitute into the first equation:

  A/2 +B/2 +γ/2 = 90°

  A/2 +B/2 = 90° -γ/2

Putting this in the first equation, we have ...

  (90° -γ/2) + ∠ADB = 180°

  ∠ADB = 90° +γ/2 . . . . . . . . . .  add (γ/2 -90°)

3 0
4 years ago
Pls help me :)))))))))))
docker41 [41]

Answer:

330ft²

Step-by-step explanation:

Area of figure = Area of rectangle + Area of semicircle

                       =            lb                +   pi r²/2

                       =         10 x 8             +  3.1 x 4 x 4/2 ( as 8 is diameter)

                       =          80 ft²               +  248  ft²

                       =  328 ft² => 330ft²

4 0
3 years ago
Read 2 more answers
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