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Tanzania [10]
3 years ago
12

Danielle is solving math fast facts at a proportional rate. She completes 35 fast facts in 5 minutes. Read each statement below

and decide whether it is true or false. Select all that are true.
Show your work in the sketch feature.

A. The constant of proportionality is 17 and it represents that in 17of a minute she can complete 1 fast fact
B. The constant of proportionality is 7 and it represents that she can complete 7 fast facts in 1 minute
C. If she completed 63 fast facts, she was doing math for 9 minutes
D. If she was doing math for 14 minutes, she completed 2 fast facts
Mathematics
2 answers:
patriot [66]3 years ago
6 0
Answer:
B.
explanation:
Mnenie [13.5K]3 years ago
3 0

Answer:

b

Step-by-step explanation:

because if you do 35 divided by five it is 7

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If f(x)=-2x-3 what is f(r+2) ?
fiasKO [112]

Answer:

f(x) =  - 2x - 3

when x is r + 2 :

f(r + 2) =  - 2(r + 2) - 3 \\  =  - 2r - 4 - 3 \\  =  - 2r - 7 \\  \\ { \boxed{ \boxed{f(r + 2) =  - 2r - 7}}}

4 0
3 years ago
Name one interesting fact or something that stuck with you.
Aliun [14]

Answer:

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sorry fellow kids

Step-by-step explanation:

and to find the mass of a black hole you measure the radation coming out of the black hole

4 0
3 years ago
Jose earned 50 points in a video game. He lost 40 points, earned 87 points, then lost 30 more pints. Write and evaluate an expre
Aneli [31]
50-40+87-30=67

hope i helped
4 0
3 years ago
Reeeeeeeeeeeeeeeeeeee
Juliette [100K]

start by writing the multiplication in this form

start multiplying from right to left.

3\cdot0=0

write the first number down

continue by multiplying the next number from right to left

8\cdot3=24

write the number down, since there are no more numbers to multiply for write the wole number

this means that

80\cdot3=240

5 0
1 year ago
For what value of a does<br> (9) ***<br> = 3438-1<br> -1<br> 0<br> 1<br> no solution
mario62 [17]

Answer:

<h2>0</h2>

solution,

(\frac{1}{7} ) ^{3a + 3}  =  {343}^{a - 1}  \\ or \: ( {7}^{ - 1} ) ^{3a + 3}  =  {(7}^{3} ) ^{a - 1}  \\ or \: (7) ^{ - 3a - 3}  =  {(7)}^{3a - 3}  \\ or \:  - 3a - 3 = 3a - 33 \\ or \:  - 3a - 3a =  - 3 + 3 \\ or \:  - 6a =  0 \\  \: a = 0

hope this helps..

Good luck on your assignment..

3 0
3 years ago
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