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Elina [12.6K]
3 years ago
6

Find the value of 3p2 – 4p -5, if p= -3

Mathematics
1 answer:
Kazeer [188]3 years ago
3 0

Answer:

-11

Step-by-step explanation:

3 x (-3) x 2 - 4 x (-3) - 5

= -18 + 12 - 5

= -11

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You can build a dog house in 6 hours. And you work 8 hours how long would it take you to build 10 dog house.
Alexus [3.1K]
Seven days and a half

For you work 8 hours a day
It takes you 6 hours to per each
You wanna make 10
10 by 6 is 60 on 8 = 7.5

Best luck!

Wise
5 0
3 years ago
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On Monday, Anya read 11 pages of a book in 1/2 hour. On Tuesday, she read 18 pages in 3/4 hour. Did Anya's reading speed increas
Lerok [7]
The way you should go about solving this really depends on how your teacher taught you...However, here's what I would recommend...
You know that 1/2 an hour is equal to 30 minutes, and 3/4 of an hour is equal to 45 minutes.
Using this you can  then solve for how many pages she read per minute by dividing the number of pages read by the number of minutes read:11 pages/ 30 minutes to give you Monday's reading speed,and18 pages/ 45 minutes to give you Tuesday's reading speed.

Next, to calculate a percentage increase you need to do the following:
1. Determine the difference between the speeds (this means you will subtract Monday's reading speed from Tuesday's reading speed.)
2. Next you take that number and divide it by Monday's reading speed.
3. Multiply that answer by 100 to get the percentage.

I'm not going to tell you the speeds, as you should try to attempt to solve it by yourself, and I'm sure you need to show your work. I will however tell you that you should find there was a 3.3% increase from Monday to Tuesday.

If you need more help, let me know!  
4 0
3 years ago
32/8+2*12 what is the answer?
lidiya [134]

Answer:

The correct answer is 28

Step-by-step explanation:

7 0
3 years ago
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A bag has 6 number tiles numbered one through six. You draw a number tile, replace the tile and draw a second tile. What is the
Ksivusya [100]
Answer:A
explanation : 1/6 x 1/6=1/36=.028 OR 2.8%
3 0
3 years ago
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Having a hard time with this can someone answer pls
larisa [96]

The values of angles are 140 and 20

• In plane geometry, a figure which is formed by joining of two lines that share a common point is called as the angle. The two lines or rays are called as the sides of the angle and the common point is called the vertex.

• In geometry there are types of angles such as complementary angles, supplementary angles, acute angle, obtuse angles. Complementary angles are the angles whose sum is equal to 90. Supplementary angles are the angles whose sum is equal to 180.

According to the question

We are given that one angle is -7x and the other angle is -2x

Using formula of supplementary angles

-7x + (-2x) = 180

-7x -2x = 180

-9x = 180

-x = 20

x = -20

The value of x is -20

The value of angle – 7x = -7(-20) = 140

The value of angle -2x = -2(-20) = 40

Learn more about angles here

brainly.com/question/25716982

#SPJ9

 

3 0
2 years ago
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