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spin [16.1K]
3 years ago
10

Help me solve these please

Mathematics
1 answer:
anastassius [24]3 years ago
4 0

Answer:

1. -2/5

2. 5/2

3. -2/3x-5/3

Step-by-step explanation:

1. Parallel means the slope stays the same

2. Perpendicular means you flip the sign and the fraction

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Simplify the expression. Write your answer as a power. <br> (23)^2⋅(23^)6
dalvyx [7]
(23)^8 b/c when multiply powers you add the exponent values together
8 0
3 years ago
If an angle is 167°,then it is obtuse
sattari [20]
If an angle is 167 degrees, it is an obtuse angle because, it's greater than a 90 degree angle. (right angle) Let me give you some details on why 167 degrees is an obtuse angle. You probably don't remember from your math classes in the past but, when they give you an angle value and they want to know if it's either a right angle, an acute angle, or an obtuse angle, you figure it out by doing these steps: 1. You take a protractor (it's kinda like a ruler, but it measures angles) and measure the angle given to find out the size of it in degrees. 2. Once you have the measured the angle and found the angle's size in degrees, ask yourself whether it's greater than 90 or less than 90. You want to ask yourself whether the angle measurement you found is greater than 90 or less than 90 because, if the size of the angle is exactly 90 degrees, than the angle you measured is a right angle. Now if the angle is greater than 90 (91 and Higher), then you know the angle is an obtuse angle. Which means by process of emulation, that if the angle you found is less than 90 (1-89), than the angle is an acute angle. And that's why a 167 degree angle is an obtuse angle Did that help you with your question or do you need just a little bit more understanding?
4 0
3 years ago
Find the sum of all the two-digit numbers that divide 170 with a remainder of 5.
ss7ja [257]

Answer:

114

Step-by-step explanation:

To find - Find the sum of all the two-digit numbers that divide 170 with a remainder of 5.

Proof -

The 2 digit number is 11

170 = 11(15) + 5

The two digit number is 15

170 = 15(11) + 5

The two digit number is 33

170 = 33(5) + 5

The two digit number is 55

170 = 55(3) + 5

∴ we get

The two digit numbers are

11, 15, 33, 55

Their sum is equals to

11 + 15 + 33 + 55 = 114

3 0
3 years ago
Need help plz I need to pass this.
Ierofanga [76]

Answer:

Subtract 10 from both sides

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Which of the following is true given the inequality below?
ra1l [238]

Answer:

D. is to the right of -0.9 on the horizontal number line

Step-by-step explanation:

The given inequality is - \frac{4}{5} > - 0.9 i.e. - 0.8 > - 0.9 .......... (1)

Now, when in a number line a number a is greater than another number b, then a must be placed to the right of the number b on the number line.

So, in our case - 0.8 > - 0.9 is true and - 0.8 is tot he right of - 0.9 on the horizontal number line. (Answer)

3 0
3 years ago
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