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3 years ago

Today stephy makes 40 dolls, and she

Mathematics

2 answers:

Eddi Din [679]3 years ago

7 0

Answer:

44 dolls

Step-by-step explanation:

Finger [1]3 years ago

6 0

Answer:

Yesterday, Stephy made 36 dolls.

Step-by-step explanation:

1% of 40 is 0.4 so... 10% is 4

Then we can do 40-4 to get 36.

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You start driving north for 7 miles, turn right, and drive east for another 24 miles. At the end of driving, what is your straig

horsena [70]

Answer:

$AC = 25\ miles$

Step-by-step explanation:

Given:

Distance for north side = 7 miles.

Distance for east side = 24 miles.

We need to find the displacement.

Solution:

Figure shows Point A is starting point and AB = 7 miles is North side distance and BC = 24 miles is east side distance and AC is shown as displacement.

Using Pythagoras theorem to find displacement (AC).

$(AC)^{2}=(AB)^{2}+(BC)^{2}$

Substitute AB = 7 and BC = 24 in above equation.

$(AC)^{2}=(7)^{2}+(24)^{2}$

$(AC)^{2}=49+576$

$(AC)^{2}=625$

$AC = \sqrt{625}$

$AC = 25\ miles$

Therefore, displacement of the car $AC = 25\ miles$

3 0

3 years ago

7-(30-2) divided by 7 equals?

dybincka [34]

Answer:

Step-by-step explanation:

first, do 30-2 to get 28. 7-28 is -21. -21/7 is -3

6 0

3 years ago

Read 2 more answers

What is the approximate volume of a cone with a radius of 15 cm and a height of 4 cm? Round your answer to the nearest hundredth

vichka [17]

Answer:

Volume of a cone $=942.86cm^3$

Step-by-step explanation:

Given that the radius of a cone is 15cm and its height is 4cm

That is r=15cm and h=4cm

To find the volume of a cone :

volume of a cone $=\frac{\pi r^2h}{3}$ cubic units

Now substitute the values in the formula we get

volume of a cone $=\frac{(\frac{22}{7}) (15)^2(4)}{3}$

$=\frac{(\frac{22}{7}) (225)(4)}{3}$

$=\frac{19800}{21}$

$=942.857$

Now round to nearest hundredth

$=942.86$

Therefore Volume of a cone $=942.86cm^3$

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3 years ago

Grouping method to factor the given<br> expression<br> ab-ay-bx-xy

creativ13 [48]

(b-y)(a-x)

Step-by-step explanation:

<u>The correct question is;</u>

Grouping method to factor the given expression: ab-ay-bx+ xy

Given the expression as :ab-ay-bx+ xy collect like terms

ab-bx-ay+xy

Factorize

b(a-x)-y(a-x)

simplified to

(b-y)*(a-x)

Learn More

Factoring by grouping: brainly.com/question/11929100

Keywords : grouping, method,factor, expression

#LearnwithBrainly

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3 years ago

The product of 21 and a number u is at most 126

melamori03 [73]

Answer:

21u is less than or equal too 126

Step-by-step explanation:

3 0

4 years ago