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PIT_PIT [208]
3 years ago
7

Mindy used 160 beads to make 25% of the bracelets needed for her friends. How many bracelets does she need to make all her frien

ds bracelets?
Mathematics
2 answers:
astraxan [27]3 years ago
3 0
All you need to do is 160-25%
olga55 [171]3 years ago
3 0

Answer:

640

Step-by-step explanation:

160=25%

25 times 4=100

therefore 160 times 4=100%

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find the sum ofthe angle measure in each regular polygon. Then find the measure of each angle. Show work please I'm so bad at th
Tems11 [23]
For every side you just add 90 to your equation. so #4 would be 360-125-125-55=(55)
6 0
3 years ago
If a triangle has lengths of 3 ft and 54 ft, check all the possible lengths for the third side
Whitepunk [10]

MrBillDoesMath!


Answer:  51,53,55,57


Discussion. By the triangle inequality the sum of the lengths of any two sides is greater than or equal to the third side. In our case,   3 + 54 = 57, so  the third side must be less than or equal to 57.


MrB

8 0
3 years ago
Answer this equation
Rudik [331]

Answer:

The solution to the box is

a = 2.1

b = 5.9

c = 0.9

d = 10

Step-by-step explanation:

To answer the equation, we simply name the boxes a,b,c and d.

Such that

a + b = 8 ---- (1)

b - c = 5 ------ (2)

d * c = 9 ------ (3)

a * d = 21 ------- (4)

Make d the subject of formula in (3)

d * c = 9 ---- Divide both sides by c

d * c/c = 9/c

d = 9/c

Substitute 9/c for d in (4)

a * d = 21

a * 9/c = 21

Multiply both sides by c

a * 9/c * c = 21 * c

a * 9 = 21 * c

9a = 21c ------ (5)

Make b the subject of formula in (1)

a + b = 8

b = 8 - a

Substitute 8 - a for b in (2)

b - c = 5

8 - a - c = 5

Collect like terms

-a - c = 5 - 8

-a - c = -3

Multiply both sides by -1

-1(-a - c) = -1 * -3

a + c = 3

Make a the subject of formula

a = 3 - c

Substitute 3 - c for a in (5)

9a = 21c becomes

9(3 - c) = 21c

Open bracket

27 - 9c = 21c

Collect like terms

27 = 21c + 9c

27 = 30c

Divide both sides by 30

27/30 = 30c/30

27/30 = c

0.9 = c

c = 0.9

Recall that a = 3 - c

So, a = 3 - 0.9

a = 2.1

From (1)

a + b = 8

2.1 + b = 8

b = 8 - 2.1

b = 5.9

From (3)

d * c = 9

Substitute 0.9 for c

d * 0.9 = 9

Divide both sides by 0.9

d * 0.9/0.9 = 9/0.9

d = 9/0.9

d = 10.

Hence, the solution to the box is

a = 2.1

b = 5.9

c = 0.9

d = 10

3 0
3 years ago
What is the volume of the box if it is scaled down by the a factor of 1/10? 14in height 8inlegth 3in width
Crazy boy [7]

Answer:

0.336 in^2

Step-by-step explanation:

Scale down all the proportions:

14 × 0.10 = 1.4

8 × 0.10 = 0.8

3 × 0.10 = 0.3

Multiply new proportions:

1.4 × 0.8 × 0.3 = 0.336

3 0
3 years ago
Do's and donts in handling measuring tools
nevsk [136]
Here’s your answer mate :

7 0
2 years ago
Read 2 more answers
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