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jasenka [17]
2 years ago
6

Solve.

Mathematics
1 answer:
BigorU [14]2 years ago
8 0

Answer:

x= -2.4 or -14/5

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1/8 + 1/4 ?? Why do I need 20 characters to summit this
abruzzese [7]

Answer:

0.375

Step-by-step explanation:

4 0
2 years ago
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An adult usually has 32 teeth. People sometimes lose some of their teeth. Pat has only 5/8 of her teeth left. How many teeth has
Marizza181 [45]

Answer:

twenty teeth

Step-by-step explanation:

32:8=4

4•5=20

7 0
3 years ago
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Please helppp
Roman55 [17]

Answer:

Step-by-step explanation:

To copy an angle we follow the following steps,

1). Draw a working line with the help of a straightedge.

2). Now we put a point S as the vertex of the angle.

3). Construct an arc with a radius 'r' (any length ) from vertex S which intersects the working line say at V.

4). With the same radius we draw an arc from point E which intersects the line ED and EF at G and H respectively.

5). Mark an arc from point G which intersects line EF at I.

6). Measure the distance between points G and I with compass and mark an arc from point V which intersects the previous arc say at U.

7). Now join the points S and U.

Hence we copy any angle.

7 0
3 years ago
Find the equation of the line that has a slope of 3 and passes through (-1, 2)
Nadusha1986 [10]

Answer:

y= 3x+5

Step-by-step explanation:

start with the linear equation formula

y= mx+b

indentify what you already have.

x= -1 and y= 2 and m(slope)= 3

We are solving for b, so plug in what you have.

2= 3(-1)+b

Simplify.

2= -3+b

Add 3 on both sides.

5= b

Rewrite your equation with the x and y values.

y= 3x+5

4 0
3 years ago
The standard normal curve shown below models the population distribution of a random variable. What proportion of the values in
patriot [66]
About 32.34% of the values do not lie between the z-scores of -1.3 and 0.75.

First, we need to find the region between the z-scores.

If you look at a normal distribution table, you will get the following values:

0.75 = 77.34%
-1.3 = 9.68%

Subtraction those gives us the area between the z-scores.
77.34 - 9.68 = 67.66%

Now, just subtract that value from 100% to get the amount outside of the area.
100 - 67.66 = 32.34%
4 0
3 years ago
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