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3 years ago

Write the ratio in its simplest form using words. 14 cups to 28 cups

Mathematics

1 answer:

aalyn [17]3 years ago

6 0

The ratio is 1:2 in simple form because 28/2 is 14.

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80 kg decreased by 63%

Alina [70]

63% decrease.

0.63•80=50.4kg
80kg-50.4kg=29.6kg

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3 years ago

How do I solve two-step equations<br><br> ex. 3g+5=17

notka56 [123]

Easy ! you first subtract the 5 to itself and to the 17, so 5 - 5 and 17 - 5. your equation should look like 3g = 12. since we need to isolate the variable (g) we need to divide 3 by itself and 12 by 3, so 3 ÷ 3 and 12 ÷ 3. now you have g = 4!

8 0

3 years ago

Read 2 more answers

The average value of a function f over the interval [−1,2] is −4, and the average value of f over the interval [2,7] is 8. What

Anna71 [15]

The average value of a continuous function f(x) over an interval [a, b] is

$\displaystyle f_{\mathrm{ave}[a,b]} = \frac1{b-a}\int_a^b f(x)\,dx$

We're given that

$\displaystyle f_{\rm ave[-1,2]} = \frac13 \int_{-1}^2 f(x) \, dx = -4$

$\displaystyle f_{\rm ave[2,7]} = \frac15 \int_2^7 f(x) \, dx = 8$

and we want to determine

$\displaystyle f_{\rm ave[-1,7]} = \frac18 \int_{-1}^7 f(x) \, dx$

By the additive property of definite integration, we have

$\displaystyle \int_{-1}^7 f(x) \, dx = \int_{-1}^2 f(x)\,dx + \int_2^7 f(x)\,dx$

so it follows that

$\displaystyle f_{\rm ave[-1,7]} = \frac18 \left(\int_{-1}^2 f(x)\,dx + \int_2^7 f(x)\,dx\right)$

$\displaystyle f_{\rm ave[-1,7]} = \frac18 \left(3\times(-4) + 5\times8\right)$

$\displaystyle f_{\rm ave[-1,7]} = \boxed{\frac72}$

7 0

3 years ago

HELPPPPPPPP 50PTSSSSSS!!!!!!!!!

slamgirl [31]

L(d)=205-7d

Paved area:-

L(12)=205-7(12)=205-84=121mi

Let's see

205-7d=156
7d=205-156
7d=49
d=7days

5 0

3 years ago

Read 2 more answers

a recent study showed that the average high school basketball team score 76 points a game with a standard deviation of 8.4 point

krok68 [10]

Answer: 0.0766

Step-by-step explanation:

Let x be the random team scores.

Given: Mean = 76

Standard deviation = 8.4

We assume that x follows normal distribution.

The probability that a random team scores less than 64 points = P(x<60)

$=P(\frac{x-\mu}{\sigma}$

Hence, the probability that a random team scores less than 64 points =0.0766

3 0

3 years ago