3 years ago

Daniel buys two apples for every five oranges. If you bought 12 apples, how many oranges dis he buy?

Mathematics

1 answer:

wariber [46]3 years ago

8 0

Answer:

30 oranges

Step-by-step explanation:

2 apples : 5 oranges

12 apples : 30 oranges

because 12 apples is 6 times the original ratio, so we multiply the 5 oranges by 6 too.

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Please someone help me with this!

MaRussiya [10]

The sum of two numbers and their difference is 30.

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2 years ago

Find the missing exponent. Set up an equation and solve. : x^4·x^n = x^5

algol [13]

Remember
(x^m)(x^n)=x^(m+n)
and
if a^m=a^n, where a=a then n=m

(x^4)(x^n)=x^5
(x^4)(x^n)=x^(4+n)
x^(4+n)=x^5
therefor
4+n=5
minus 4
n=1

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3 years ago

Read 2 more answers

a contractor charges $1200 for 100 square feet of roofing installed. at this rate how much does it to have 1,100 square feet ins

FrozenT [24]

Answer:

$13,200

Step-by-step explanation:

if 100 square feet = $1,200

1,100 square feet = $13,200

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2 years ago

A radio talk show host with a large audience is interested in the proportion p of adults in his listening area who think the dri

Novay_Z [31]

Answer:

$ME = 1.64\sqrt{\frac{0.7 (1-0.7)}{100}}= 0.074$

And the best answer would be:

b. 0.074.

Step-by-step explanation:

For this case we have the following info given:

$X= 70$ represent the number of people who answer yes for the question

$n= 100$ the sample size selected

$\hat p =\frac{X}{n}=\frac{70}{100}= 0.7$ the proportion estimated of people who answer yes

The margin of error is given by:

$ME = z_{\alpha/2}\sqrt{\frac{\hat p (1-\hat p)}{n}}$

The confidence level is 90% and the significance would be $\alpha=0.1$ and the critical value would be:

$z_{\alpha/2}= 1.64$

And replacing we got:

$ME = 1.64\sqrt{\frac{0.7 (1-0.7)}{100}}= 0.074$

And the best answer would be:

b. 0.074.

8 0

3 years ago

If 25x2 – 35x – 18 is written as a2 – 7a – 18, what is a in terms of x? <br> a =

Margarita [4]

Answer:

a = 5x

Step-by-step explanation:

5 0

2 years ago