All categories

3 years ago

H E L P ! !

Mathematics

1 answer:

mihalych1998 [28]3 years ago

5 0

Answer:

10.7cm

Step-by-step explanation:

x^2= 115

x = √115

x = 10.7

You might be interested in

Jerry's return trip took 2/5 hour longer. How long did his return trip take?

Vedmedyk [2.9K]

It took him 4 1/5 hours to get home

5 0

3 years ago

The sum of two positive numbers is 28. What two numbers will maximize the product?

Andreyy89

Answer:

Step-by-step explanation:

14+14=28 :)

3 0

3 years ago

A ball is such that when it is dropped from a height of 1 metre it bounces vertically from the ground

Phantasy [73]

Search mathpapa.com I get almost all my answers there

4 0

3 years ago

Plz help i just dont know plz help

Tpy6a [65]

Answer:

1. $266\dfrac{2}{3}\%$

2. $400\%$

Step-by-step explanation:

1. Fraction $\frac{1}{4}$ is 100%, then

$\dfrac{1}{4} - 100\%\\ \\\dfrac{2}{3} - x\%$

Write a proportion:

$\dfrac{\frac{1}{4}}{\frac{2}{3}}=\dfrac{100}{x}$

Cross multiply:

$\dfrac{1}{4}x=\dfrac{2}{3}\cdot 100\\ \\x=4\cdot \dfrac{2}{3}\cdot 100\\ \\x=\dfrac{800}{3}\\ \\x=266\dfrac{2}{3}\%$

2. Fraction $\frac{1}{6}$ is 100%, then

$\dfrac{1}{6} - 100\%\\ \\\dfrac{2}{3} - x\%$

Write a proportion:

$\dfrac{\frac{1}{6}}{\frac{2}{3}}=\dfrac{100}{x}$

Cross multiply:

$\dfrac{1}{6}x=\dfrac{2}{3}\cdot 100\\ \\x=6\cdot \dfrac{2}{3}\cdot 100\\ \\x=\dfrac{1,200}{3}\\ \\x=400\%$

3 0

3 years ago

Claire correctly solved the proportion x/4 = 36/16 for x using cross products to get the equation 16x = 144 and then dividing bo

Anna11 [10]

Answer:

The cross product property

Step-by-step explanation:

The cross product property also known as cross multiplication is a method in math that is most of the time used in solving problems involving ratios usually in a big X form across the equal sign between two ratios.

It is done by multiplying the numerator of the left ratio by the denominator of the right with an equal to the multiplication of the numerator of the right ratio by the denominator of the left.

8 0

3 years ago