3 years ago

Select all of the choices that are equal to (-5) – (-12).

Mathematics

2 answers:

krek1111 [17]3 years ago

4 0

The answer is 7 i’m pretty sure

ohaa [14]3 years ago

4 0

2 and 5 are both equal to (-5)-(-12)

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please help :) What is 7.7 x 10 to the 8 power written in standard form? A. 770,000,000 B. 77,000,000,000 C. 77,000,000 D. 7,700

Serjik [45]

Answer:

A. 770,000,000

Step-by-step explanation:

7.7x10^8 First step is to simplify

7.7x100,000,000 Then, multiply

770,000,000

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3 years ago

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inessss [21]

90 is the answer to that question

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The square root of t is greater than 2 and less than 3.5. How many integer values of t satisfy this condition?

Jlenok [28]

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3 years ago

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Kevin is 4 times as old as Daniel and is also 6 years older than Daniel

MAXImum [283]

Answer:

Part a) Daniel's age is 2 years

Part b) Kevin's age is 8 years

Step-by-step explanation:

The question is

Part a) How old is Daniel?

Part b) How old is Kevin?

Let

x ----> Kevin's age

y ----> Daniel's age

we know that

$x=4y$ -----> equation A

$x=y+6$ ----> equation B

Equate equation A and equation B

$4y=y+6$

solve for y

$4y-y=6$

$3y=6$

$y=2$

therefore

Daniel's age is 2 years

Find the value of x

substitute the value of y in any of the two equations

$x=4(2)=8\ years$

$x=2+6=8\ years$

therefore

Kevin's age is 8 years

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3 years ago

Can somebody please help me with my math I need help ASAP

zzz [600]

Can you make it bigger?

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3 years ago