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uysha [10]
3 years ago
7

A student is asked to solve the equation below and to justify her/his steps. Identify what, if anything, is incorrect in her/his

math or justification. x + 6 = –10
Mathematics
1 answer:
snow_tiger [21]3 years ago
3 0
The - number has to t o be more then 6 in order to get -10. Answer= -16
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8 0
3 years ago
What is the surface area of this right prism?<br><br> Enter your answer in the box.<br><br> cm²
fomenos

Answer:

<h2>the answer is</h2><h2>166 cm²</h2>

Step-by-step explanation:

we know that

surface area of the prism=2*area of the base+perimeter of the base*height

step 1

find the area of the base

area of the base=length* width

length=5 cm

width=4 cm

area of the base=5*4-----> 20 cm²

step 2

find the perimeter of the base

perimeter=2*[length+width]-----> 2*[5+4]----> 18 cm

step 3

height=7 cm

step 4

find the surface area

surface area of the prism=2*area of the base+perimeter of the base*height

surface area of the prism=2*20+18*7----> 166 cm²

7 0
2 years ago
How to scientific notation to express the number 480 into 1 scientific notaion?
AfilCa [17]

Consider the number 480 in expanded form:

... 480 = 4×100 + 8×10

The left-most digit and multiplier are those that correspond to the ones you use in scientific notation.. You recall that 100 = 10×10 = 10². All this means is that

... 480 = 4.8×10²

5 0
3 years ago
What is 21 divided by 2 + 1 times 5 mines 2 to the fourth power?
Sever21 [200]

Answer:

IT is 41.5 heres the steps

Step-by-step explanation:

first step 21 divided by 2 = 10.5

Then you do 10.5 + 1 = 11.5  

then you do 11.5 times 5 =  57.5

Then 2 times 2 times 2 times 2= 16

then 16 - 57.5 = 41.5 is your answer

3 0
3 years ago
Read 2 more answers
An equation of a line with a slope of -2 and a y-intercept of 2.5 is
Masja [62]

Answer:

its D

Step-by-step explanation:

8 0
2 years ago
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