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HACTEHA [7]
3 years ago
7

What's the answer for all of them? ​

Mathematics
1 answer:
elena-s [515]3 years ago
8 0
I don’t have time to answer all of those questions because I have urgent physics work to do, but here are my notes from grade 10 math. This’ll show you how to solve with substitution and elimination. Hope this helps! :)

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A teacher buys packs of notebooks to give to his students. The ratio of gold notebooks to red notebooks is represented in the ta
Naddika [18.5K]

Answer:

there would be 40 gold notebooks

Step-by-step explanation:

if the ratio is 5g to 3r i took the 24 red and divided it by 3 which gave me 8. I then multiplied 8 by 5 and got 40. so 40:24 is equal to 5:3

4 0
3 years ago
How to use the binomial therom for (2x + 5)^5
Nady [450]

Answer:

32

x

5

−

400

x

4

+

2000

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5000

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6250

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3125

Step-by-step explanation:

8 0
3 years ago
Please help me with this!<br> Calculate and find the slope of the line
Afina-wow [57]

Answer:

1

Step-by-step expansion:

ok so this slope is going up at a whole rate of 1

the slope of this graph is 1

4 0
3 years ago
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hodyreva [135]
answer: 8.40049 × 10^7
5 0
3 years ago
The function h(t)=-4.87t^2+18.75t is used to model the height of an object projected in the air, where h(t) is the height in met
Feliz [49]

Answer:

Domain: t≥0

Range:h(t) ≤ 0.85

Step-by-step explanation:

The domain of a function is all the valid values you can enter into the function. Because time can't be negative the domain is t>0. The range or h(t) is the result, because the object can't go through the ground, it can't be less than zero. 0≤h(t)

0≤-4.87t^2+18.75t

0≤-4.87t+18.75

-18.75≤-4.87t

which is approx.: 0.85≥t or t≤0.85

4 0
3 years ago
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