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3 years ago

I need help with this problem please

Mathematics

1 answer:

Flura [38]3 years ago

6 0

Ans is B because if you remember about fractions the numerator cant' be bigger than denominator if denominator is bigger,
and vice versa

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An alloy is composed of nickel, zinc, and copper in a ratio of 7:2:9. How many kilograms of each metal are needed to make 3.6 kg

ivolga24 [154]

Answer:

Nickel= 1.8 kg

Zinc= 0.4 kg

Copper= 1.8 kg

Step-by-step explanation:

7:2:9

7=nickel

2=zinc

9=copper

7+2+9=18

18×2=36

7×2=14 2×2=4 9×2=18

Divide by 10

14÷10=1.4 4÷10=0.4 18÷10=1.8

1.8+1.4+0.4= 3.6

1.8=nickel

0.4=zinc

1.8=copper

8 0

2 years ago

Maddy draws a new picture every 6 minutes. How many drawings can she make in 8 hours?

Kaylis [27]

Answer:

Roughly 480

Step-by-step explanation:

6 minutes for each drawing, so 10 pictures each hour for 8 hours is roughly 480

7 0

2 years ago

Read 2 more answers

I SEE YALL LOOKING BUT NOT HELPING PLEASE SOMEONE

bezimeni [28]

Answer:

the pitcure isnt clear.

8 0

2 years ago

An astronaut weighs 174 pound on earth and 29 pound on the moon, if his daughter weighs 108 pounds on earth, what is his daughte

jekas [21]

Answer:

If my thinking is right she should weigh about 18 pounds or so.

Step-by-step explanation:

17% of 174 is 29

17% of 108 is 18

4 0

3 years ago

Please help me with this question!!!!!

amm1812

Answer:

B. $H(x)=-.008(x-82)^{2}+83$

Step-by-step explanation:

Well lets graph the following equation first,

H(x) = -.011(x - 82)^2 + 75

Then lets graph all the other equations.

Look at the image below↓

So A.

The purple line does not go farther or higher,

so A. is incorrect

The black line goes higher and farther,

meaning it is correct.

The red line goes farther but not higher.

So it is incorrect

Again the blue line does not go farther of higher.

So its wrong.

Thus,

answer choice B. $H(x)=-.008(x-82)^{2}+83$ is correct.

Hope this helps :)

3 0

3 years ago