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kifflom [539]
3 years ago
6

Express each rate below as a unit rate. 975 calories in 13 brownies

Mathematics
1 answer:
OverLord2011 [107]3 years ago
7 0

Answer:

Step-by-step explanation:

975/13=75

75 calories per brownie

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Donovan broke the 100m sprint world record at the olympics within 9.84s in contrast a dog runs at a speed of 30km per hour .If t
Free_Kalibri [48]
<h2>Answer:</h2>

No the dog cant catch up with Donovan

<h3>Step-by-step explanation:</h3>

30km to meters is 30000

30000 meters divided by 60 to to get how many meters per second

= 500 a dog travels 500 meters per minute

100m divided by 9.87 = 10.1 meters per second

500 divided by 60 = 8.3 meters per second

Donovan can run faster than the dog by 1.8 meters per second

3 0
3 years ago
If 2a + b = 13 and 3c-6a = 5, what is the value of b + c?
ElenaW [278]

Step-by-step explanation:

Solve the first eqn for b, b=13–2*a, and the 2nd for c, c=(6*a+5)/3. Then

b+c=13–2*a+(6*a+5)/3=13–2*a+2*a+5/3=44/3. We see that b+c has a definite value because the terms in a cancel.

7 0
3 years ago
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What is the area of the figure below to the nearest hundredth? A 12.25 in. C 52.25 in.? B 39.25 in. D 91.25 in 2
borishaifa [10]

the area of the figure below to the nearest hundredth? is 91.25

7 0
3 years ago
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Mrs. Morton has a special reward system for her class. When all her students behave well, she rewards them by putting 333 marble
stira [4]
24+3x≥100
remember you can do anything to an equaiton as long as you do it to bot hsides



24+3x≥100
minus 24 both sides
3x≥76
divide both sies by 3
x≥25.333333
round up since yo can't do something 0.333 times
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6 0
3 years ago
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In the model below what is x and how do I solve it​
tiny-mole [99]

Answer:so that’s a interior triangle so the mean your 2 points in the inside and the equation on the outside.

X=6

Step-by-step explanation:

(8x-4)+(3x+17)=(17x-23)

Combined our alike terms on the left side of the equation. So 8x+3x and -4+17.

11x+13=17x-23

Now this is what the equation should look like after combining ur alike terms.

11x+13=17x-23

-11x. -11x.

now u take the lowest x which is 11x and mince that from 17x but u only mince if it’s a positive but is it’s a negative u add it.

13=6x-23 so if u moved the x on the right side u move non variable number to the left but if u moved the x to the left u move the non variable number to the right so in this case the non variable number would be -23 so now u add 23 on both sides.

36=6x and now u just divide the 36 by 6 and remember to always divide by the x

Now the answer is x=6

7 0
4 years ago
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