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givi [52]
3 years ago
12

Which step should be performed first in the expression? Then simplify the expression. 5(-3)+6

Mathematics
1 answer:
BabaBlast [244]3 years ago
4 0

Answer:

5(-3) would be the first step

Step-by-step explanation:

5 * -3 = -15

-15 + 6 = -9

-9 is the answer

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Which of the following r one dimensional figures?
asambeis [7]

Answer:

a. ray

e. segment

f. line

Step-by-step explanation:

<em><u>Info on dimensions:</u></em>

  • <em>A Point has no dimensions </em>
  • <em>A Line is one-dimensional </em>
  • <em>A Plane is two dimensional</em>
  • <em>A Solid is three-dimensional</em>

<u>Let's see number of dimensions of figures: </u>

<u>a. ray </u>

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<u>b. angle </u>

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<u>c. square </u>

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<u>d. point </u>

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<u>e. segment </u>

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8 0
3 years ago
Your friend has built the skate board ramp shown in the figure with sides of 16 in., 63 in., and 65 in. that he claims has dispr
nexus9112 [7]
The friend is wrong - According to the Pythagorean Theorm, if c is the hypotenuse and a and b are opposite sides then  c^{2} = a^{2}  +  b^{2} 
if c=65 inches, a=16 inches and b = 63 inches, then
 65^{2} =16 ^{2} +  63^{2}
right hand side of the equation = 256 + 3969 = 4225
left hand side of the equation = 65^{2}= 4225
So we see, left hand side = right hand side
Hence the theorm is proved.




5 0
3 years ago
A ladder leans against the side of a house. The angle of elevation of the ladder is 70 when the bottom of the ladder is 16ft fro
makkiz [27]

46.78

Step-by-step explanation:

you divide 16 by the cos of 70 and it turns out to be 46.78

3 0
3 years ago
An air traffic controller is tracking two planes. To start, Plane A is at an altitude of 3427 feet and Plane B is at an altitude
jeyben [28]
3427 + 65.75s = 5000 + 35.5s
65.75s - 35.5s = 5000 - 3427
30.25s = 1573
s = 1573 / 30.25
s = 52 seconds <== they are the same at 52 seconds

3427 + 65.75(52) = 6846
5000 + 35.5(52) = 6846

and their altitude is 6846 <===
6 0
4 years ago
Read 2 more answers
Tìm nghiện của đa thức <br> A.x-2<br> B.2x-7<br> C.(X-4)*(2-3X
Vitek1552 [10]

Answer:

C.

make me brainlest if you copy okay

6 0
3 years ago
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