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2 years ago

Sara has 3 choices to get to school: walk, ride a bike, or ride the bus.

Mathematics

1 answer:

marysya [2.9K]2 years ago

6 0

Answer:

I think the answer is 1/9

Step-by-step explanation:

I did the equations by using a tree diagram to explain it but

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Find the interval on which the curve of y equals the integral from 0 to x of 2 divided by the quantity 1 plus 3 times t plus t s

alina1380 [7]

Hello,

$\dfrac{d^2( \int\limits^x_0 { \dfrac{2}{t^2+3t+1} } \, dt )}{dx^2} = \dfrac{d(\dfrac{2}{x^2+3x+1}) }{dx} \\

= \dfrac{-2(2x+3)}{(x^2+3x+1)^2}$

8 0

3 years ago

The figure is made up of two identical semicircles enclosed within a rectangle. Find the perimeter of the shaded region using 3.

Vitek1552 [10]

Answer:

61.74

Step-by-step explanation:

so u start off by solving for ghe semicircles.

the formula I wrote for it was:

1/2(3.14)(3)(3)=14.13

then i multiplied it by 2 because the other semicircle so you get:

28.26

then u find the area of the rectangle and subtract 28.26.

15x6=90

90-28.26=61.74

5 0

3 years ago

PLZZZ HELP I'LL GIVR U A MEDAL N FAN U

marusya05 [52]

The deviation is 4, 4. and, if u r using windows, do ctrl print scrn

4 0

2 years ago

Don ate 160 grams of carbohydrates, 100 grams of fat, and 70 grams of protein today. What is his total calorie consumption for t

Artemon [7]

Answer:

His total calorie consumption for the day is:

Option C. 1.820 kcal

Step-by-step explanation:

Protein and carbohydrates both contain 4 calories per gram, while fat provides 9 calories per gram, then:

1.) 160 grams of carbohydrates contain:

160 grams * (4 cal/gram)=640 cal

2.) 100 grams of fat contain:

100 grams * (9 cal/gram)=900 cal

3.) 70 grams of protein contain:

70 grams * (4 cal/gram)=280 cal

Then, his total calorie consumption for the day is:

T=640 cal + 900 cal +280 cal

T=1,820 cal

T=1,820 cal (1 kcal / 1,000 cal)

T=1.820 kcal

6 0

3 years ago

Juan cuts a piece of paper in half. he then cuts each half into thirds and each of those pieces into eights. finally, he cuts ea

Nookie1986 [14]

Answer:

D: 768

Step-by-step explanation:

First, he divides a piece of paper in half.

$1 \div \frac{1}{2} = 2$

He gets two pieces.

Next, he cuts each of the pieces into three parts.

$2 \div \frac{1}{3} = 6$

Thirdly, he cuts each of the 6 pieces into 8 pieces.

$6 \div \frac{1}{8} = 48$

Lastly, he divides each piece into 16 parts.

$48 \div \frac{1}{16} = 768$

He has 768 pieces in the end. (D)

7 0

3 years ago