3 years ago

The sum of a rational number and negative integer is rational

Mathematics

1 answer:

natulia [17]3 years ago

4 0

Answer:

correct

Step-by-step explanation:

negative integers are still rational numbers if it is a whole number or complete

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If f(z)= sqrt z2+8z , then how much does f(z) increase as z goes from 7 to 8?

Nuetrik [128]

Answer:

Step-by-step explanation:

$f(7)=\sqrt{7^2+8*7}=\sqrt{49+56}=\sqrt{105} \approx 10.247\\f(8)=\sqrt{8^2+8*8}=\sqrt{128}=8\sqrt{2} \approx 11.314\\f(8)-f(7)=11.314-10.247=1.067 \approx 1.07$

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3 years ago

The product of a number and -7 is 63

Oduvanchick [21]

-7n=63
n=-9 is your final answer. Hope it help!

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Compute: (3.5· 2/7 − 2/3 )÷16

velikii [3]

Answer:

≅ 0.02083333

Step-by-step explanation:

(3.5 * 2/7 - 2/3)÷16 = 1

≅ 0.02083333

1: Conversion a decimal number to a fraction: 3.5

2: Multiple: 3.5 * 2

= 7 · 2

2 · 7

= 14

= 1 · 14

1 · 14

= 1

3: Subtract:

4: Divide

<em><u>Hope this helps.</u></em>

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3 years ago

5.HELP FAST If each person paid an equal amount, who would save the most money? Explain your reasoning using at least two comple

padilas [110]

Answer:

She bought 16

Step-by-step explanation:

0.72*16=11.52

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26. 4x + 6/2 = 3x +15/3

Arturiano [62]

Answer:

x=2

Step-by-step explanation:

Hope it helps you!

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3 years ago