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3 years ago

Which unit would be most appropriate to measure the

Mathematics

1 answer:

Effectus [21]3 years ago

5 0

Answer:

measure the length of the area.and the width of the area. using feet

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There are 1,252 souvenir paperweights that need to be packed in boxes. Each box will hold 14 paperweights. How many boxes will b

ololo11 [35]

You will need 90 boxes because 1252 divided by 14 equals 89.428 and you need to round up so you get 90

3 0

3 years ago

Anne and Andy sell pizza by the slice. Anne made 7 pizzas, and sold 5/12 of each pizza. Andy made 5 pizzas, and sild 7/12 of eac

gulaghasi [49]

Answer:

No, they both sold equal amount of pizza

Step-by-step explanation:

In this question, we are concerned with knowing who sold more pizza between Anne and Andy.

Let’s have what each individual sold then make a comparison.

Anne made 7 and sold 5/12 of each. Total of what was sold by Anne would be 7 * 5/12 = 35/12

Andy made 5 and sold 7/12 of each. Total sold by Andy would be 5 * 7/12 = 35/12

Looking at the answers we can see that they are equal to same 35/12. This means they both sold equal amount of pizza

6 0

3 years ago

Jeff bicycles 126 miles at the rate of r mph. The same trip would have taken 2 hours longer if he had decreased his speed by 4 m

weqwewe [10]

Given Information:

Distance = 160 miles

Required Information:

Rate = r = ?

Answer:

Rate = r = 20 mph

Step-by-step explanation:

Recall that the rate is given by

Rate = distance/time

$r = \frac{d}{t} \\\\t = \frac{d}{r} \\\\t = \frac{160}{r} \\\\$

It is given that the same trip would have taken 2 hours longer if he had decreased his speed by 4 mph.

Mathematically,

$\frac{160}{(r-4)} = \frac{160}{r} + 2 \\\\$

Simplify the equation

$\frac{160}{(r-4)} - \frac{160}{r} = 2 \\\\\frac{160r - 160(r-4)}{r(r-4)} = 2 \\\\\frac{160r - 160r+640)}{r(r-4)} = 2 \\\\160r - 160r+640 = r(r-4) (2) \\\\640 = r(r-4) (2) \\\\640 = (r^2 - 4r) (2) \\\\640 = 2r^2 - 8r \\\\2r^2 - 8r-640 =0 \\\\2(r^2 - 4r-320) =0 \\\\r^2 - 4r-320 =0 \\\\$

Now we are left with a quadratic equation.

We may solve the quadratic equation using the factorization method

$r^2 - 4r-320 =0 \\\\r^2-20r+16r-320=0 \\\\r(r-20)+16(r-20)=0 \\\\(r-20) (r+16)=0 \\\\$

So,

$(r-20) = 0 \\\\r = 20 \\\\$

$(r+16)=0 \\\\r = -16 \\\\$

Since rate cannot be negative, discard the negative value of r

Therefore, the rate is

$r = 20 \: mph$

3 0

4 years ago

Help me<br>ans should be well explained :)

Slav-nsk [51]

551, it is too big of a number so it is the outlier. :)

5 0

3 years ago

Read 2 more answers

Consider the original parallelogram and the enlargement. A parallelogram has side lengths 5 millimeters and 10 millimeters. A la

konstantin123 [22]

Answer:

B=30mm

Step-by-step explanation:

According to the Question,

we have, A parallelogram that has one side(A) 5 millimeters and the other side(C) 10 millimeters. A larger parallelogram has side one side(D) 15 millimeters.

The Enlargement Parallelogram And Original Parallelogram Sides Ratio Remain the same.

Therefore, A/C = D/B

5/10 = 15/B

B=150/5

B=30mm

4 0

4 years ago

Read 2 more answers