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il63 [147K]
3 years ago
9

A community center has adopted two miles or 3520 wide of a highway to pick up trash along the side of the road volunteers are di

vided into 7 groups each group is a sign of equal length of Highway to clean up how many yards will each group clean up explained
Mathematics
1 answer:
Zielflug [23.3K]3 years ago
7 0

Answer:

A community center has adopted two miles or 3520 wide of a highway to pick up trash along the side of the road volunteers are divided into 7 groups each group is a sign of equal length of Highway to clean up how many yards will each group clean up explained

Step-by-step explanation:

no it is 8 groups

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What is 5/10 = x/100
Monica [59]

Answer:

= 50

Step-by-step explanation:

8 0
3 years ago
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A box of pencils is 5 1/4 inches wide. Seven pencils, laid side by side, take up 2 5/8 inches of the width. How many inches of t
Andre45 [30]

Answer:   Width of box is not taken up by pencils =  2\dfrac58\text{ inches}

Width of each pencil =\dfrac38\text{ inches}

Step-by-step explanation:

Given: Width of pencil box = 5\dfrac14\text{ inches}=\dfrac{21}{4}\text{ inches}

Width of seven pencils = 2\dfrac58\text{ inches}=\dfrac{16+5}{8}\text{ inches}=\dfrac{21}{8}\text{ inches}

Width of box is not taken up by pencils =  Width of pencil box  - Width of seven pencils

\left \{ {{y=2} \atop {x=2}} \right. \dfrac{21}{4}-\dfrac{21}{8}\\\\=\dfrac{21\times2-21}{8}\\\\=\dfrac{21}{8}\text{ inches}=2\dfrac58\text{ inches}

Width of box is not taken up by pencils =  2\dfrac58\text{ inches}

Width of each pencil = (Width of seven pencils ) ÷ 7

=\dfrac{21}{8}\div7\\\\=\dfrac{21}{8}\times\dfrac17\\\\=\dfrac38\text{ inches}

Width of each pencil =\dfrac38\text{ inches}

3 0
3 years ago
Read 2 more answers
the ratio of girls to boys in the sixth grade is 5:3. If there are 400 sixth graders, how many boys are there?
PilotLPTM [1.2K]

Answer:

boys = 250

girls = 150

Step-by-step explanation:

5g = 3b       eq. 1

g + b = 400       eq. 2

g = girls

b = boys

From the eq. 2

g = 400 - b

Replacing this last eq. on eq. 1:

5(400-b) = 3b

5*400 + 5*-b = 3b

2000 - 5b = 3b

2000 = 3b + 5b

2000 = 8b

2000/8 = b

250 = b

From eq. 2

g + 250 = 400

g = 400 - 250

g = 150

Check:

from eq. 1

5*150 = 3*250  = 750

3 0
2 years ago
A survey of couples in a city found the following probabilities:
liraira [26]

Answer

(a) 0.94

(b)0.06

Step-by-step explanation:

P(husband is employed) = P(H) = 0.85

P(wife is employed) = P(W) = 0.59

P(both are employed) = P(H∩W) = 0.50

(a) At least one of them is employed

= P(H∪W)

= P(H) + P(W) - P(H∩W)

=0.85 + 0.59 - 0.50

=0.94

(b) Neither is employed,

=1 - P(H∪W)

= 1-0.94

=0.06

8 0
3 years ago
I need helppppp please
mr_godi [17]

Answer:

Option 2.

Step-by-step explanation:

The antifreeze claims to protect between -30 C and 130 C. The inequality should be this: -30

You can replace C with the Fahrenheit formula: C=\frac{5}{9} (F-32)

So, the inequality becomes -30

7 0
3 years ago
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