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iragen [17]
3 years ago
11

Help me I'm too tired to think and this is easy.

Mathematics
2 answers:
LenKa [72]3 years ago
8 0

15

9 - (-6)

I hope you get a good night rest btw!

Novosadov [1.4K]3 years ago
5 0

Answer:

The temperature rose by 15 °C.

Step-by-step explanation:

<u>At midnight:</u>

Temperature = -6 °C

<u>At Midday:</u>

Temperature = 9 °C

<u>Temperature Rise:</u>

= -6 - 9

= -15 (Ignore the negative sign)

So, The temperature rose by 15 °C.

\rule[225]{225}{2}

Hope this helped!

<h3>~AH1807</h3>
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On her first week of summer Kelly teacher gave her 694 used markers 78 of those markers were out of ink and she gave 136 markers
Alchen [17]

Answer:

480 markers

Step-by-step explanation:

694 - (78+136) =

694 - 214

= 480 markers

6 0
3 years ago
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Compare using benchmark fractions or 1. Then choose Yes or No to tell if the comparison is correct.
kati45 [8]

Answer:

YA NA NA YA

Step-by-step explanation:

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3 years ago
Determine the LCM of the following numbers: 30 and 105.
Vsevolod [243]

Answer:

LCM(30;105)=210: least common multiple, calculated.

Step-by-step explanation:

30= 2x3x5

30 is not a prime, is a composite number;

105=3x5x7;

105 is not a prime, is a composite number;

*Positive integers that are only dividing by themselves and 1 are called prime numbers. A prime number has only two factors: 1 and Itself.

* A composite number is a positive integer that has at least one factor (divisor) other than 1 and itself.

4 0
3 years ago
The formula for its surface area is SA = Ph + 2B. Solve for h.
Lilit [14]

Answer:

h=\frac{SA-2B}{P}

Step-by-step explanation:

we know that

The formula to calculate the surface area of a prism is equal to

SA=Ph+2B

where

P is the perimeter of the base

h is the height of the prism

B is the area of the base

solve the formula for h

That means ----> isolate the variable h

Subtract 2B both sides

SA-2B=Ph+2B-2B

SA-2B=Ph

Divide by P both sides

\frac{SA-2B}{P}=h

Rewrite

h=\frac{SA-2B}{P}

8 0
3 years ago
11(11d+3z+8),for d= 10 and z= 12 <br><br> A 1,614<br> B 1,699<br> C 1,254<br> D 1,694
ycow [4]
11(11d + 3z + 8)....d = 10 and z = 12

121d + 33z + 88
121(10) + 33(12) + 88
1210 + 396 + 88
1694 <===
3 0
4 years ago
Read 2 more answers
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