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3 years ago

7

92. Rachel is baking cookies. She needs 1/4 cup of

1 answer:

Rufina [12.5K]3 years ago

3 0

Answer:

2 fluid ounces

Step-by-step explanation:

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Be sure to show your work and solve for f: 12 = f - 13-2

ki77a [65]

Answer:

<h3>f =27</h3>

Step-by-step explanation:

$12 = f - 13-2$

Collect like terms and simplify

$12+13+2 = f\\27 =f$

Switch sides

$f = 27$

5 0

2 years ago

Read 2 more answers

The half-life of plutonium-241 is 14.4 years. How much of the original 3.6 grams of this

avanturin [10]

$\textit{Amount for Exponential Decay using Half-Life} \\\\ A=P\left( \frac{1}{2} \right)^{\frac{t}{h}}\qquad \begin{cases} A=\textit{current amount}\\ P=\textit{initial amount}\dotfill &3.6\\ t=\textit{elapsed time}\dotfill &45\\ h=\textit{half-life}\dotfill &14.4 \end{cases} \\\\\\ A=3.6\left( \frac{1}{2} \right)^{\frac{45}{14.4}}\implies A=3.6\left( \frac{1}{2} \right)^{3.125}\implies A\approx 0.41265$

5 0

2 years ago

One-half of one-seventh of T equals one-third of one-fifth of 90. What is the value of T

butalik [34]

Answer:

Step-by-step explanation:

This is the equation. Read it carefully.

1/2 * 1/7 T = 1/3 * 1/5 * 90 Reduce

(1/14) * T = 1/15 * 90

1/15 * 90 = 6

(1/14)*T = 6 Multiply both sides by 14

T = 14 * 6

T = 84

3 0

1 year ago

Which angle is congruent to angle B?<br><br><br> A. ∡C<br> B. ∡D<br> C. ∡E<br> D. ∡F

Leokris [45]

Option B
Angle D is congruent to angle B

5 0

2 years ago

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Line AB contains points A(4, 5) and B(9, 7). What is the slope of AB? 5 2 2 5 N/ur un in ni 2 5 o 2

IRINA_888 [86]

Answer:

The answer is

$\frac{2}{5} \\$

Step-by-step explanation:

The slope of a line given two points can be found by using the formula

$m = \frac{ y_2 - y _ 1}{x_ 2 - x_ 1} \\$

where

(x1 , y1) and (x2 , y2) are the points

From the question the points are

A(4, 5) and B(9, 7).

The slope is

$m = \frac{7 - 5}{9 - 4} = \frac{2}{5} \\$

We have the final answer as

$\frac{2}{5} \\$

Hope this helps you

5 0

3 years ago