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Leokris [45]
3 years ago
15

What is -65 x -2? 5j + 10j?

Mathematics
1 answer:
dolphi86 [110]3 years ago
8 0

They are both simple exercises in addition.
The solutions are:

         (-65) x (-2)  =  <em>130</em>

           (5j) + (10j)  =<em>  15j</em>


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A 165 inch pipe is cut into two pieces. One piece is four times the length of the other.Find the length of the shorter piece. Ho
coldgirl [10]

Answer:

Length of longer length=132 inches

Length of shorter length=33 inches

Step-by-step explanation:

Step 1: Determine total length of pipe

Total length of pipe=165 inches

Step 2: Derive expression for all the lengths

We can express all these lengths as follows;

L=l1+l2

where;

L=total length

l1=length of longer piece

l2=length of shorter piece

but;

length of longer piece=4×length of shorter piece

replacing;

l1=4l2

replacing;

L=165

l1=4×l2

165=l 2+4 l2

5 l2=165

l2=165/5

l2=33 inches

l1=length of longer length=33×4=132 inches

l2=length of shorter length=33 inches

4 0
3 years ago
Math answer with work cause it need proof ASAP
Viktor [21]

Answer:

[See Below]

Step-by-step explanation:

__________________________

✦ Solve for (1*10)+(4*1)+(7*0.01)+(2*0.001):

__________________________

✦ Solve Parenthesis first:

  • (1*10)=\bold1\bold0
  • (4*1)=\bold4
  • (7*0.01)=\bold0\bold.\bold0\bold7
  • (2*0.001)=\bold0\bold.\bold0\bold0\bold2

__________________________

✦ Add all the values together:

  • 10+4+0.07+0.002=\bold1\bold4\bold.\bold0\bold7\bold2

__________________________

So Mikayla wrote the decimal correctly.

__________________________

~<em>Hope this helps Mate. If you need anything feel free to message me.</em>

-Your~ Friendly ~Answerer,~ Shane ☺

5 0
3 years ago
HELP PLZZ WHAT IS THE ANSWER DON't SEND A FILE PLZ explain step by step
lana66690 [7]

Answer:

x + 6, y - 4

Step-by-step explanation:

The original image would be the blue triangle, so you need to see how many units it takes to get to the red triangle.

Let's focus on R and R'.

You need to move 6 units to the right, and 4 units down to get from R to R'.

It would then be the same for the other two points.

4 0
3 years ago
This is a few questions that are confusing for me and I only have 22 points but if you help me and actually help instead of stea
neonofarm [45]

Answer:

n<1.3

Step-by-step explanation:

-2.5n+8.7>5.45

add -8.7 on both sides

-2.5n>-3.25

divide both sides by -2.5

n<1.3   (after division inequality sign changes)

answer of Q2 is -4 2/3

answer of Q3 is -2/9

answer of Q4 is -23/3

answer of Q5 is 2^2. 3^2.5

6 0
3 years ago
Will give brainliest + 5 star rating!
koban [17]

Answer is choice C) 4x^2-3x+9

You list off the terms in a way where the largest exponent term comes first, then the second largest exponent is next, and so forth. Note how the last term 9 is the same as 9x^0. The term 3x is equivalent to 3x^1. So what we really have is 4x^2-3x^1+9x^0. The exponents count down: 2, 1, 0

3 0
3 years ago
Read 2 more answers
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