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shusha [124]
3 years ago
15

Solve for b. (b-7)m=r

Mathematics
1 answer:
deff fn [24]3 years ago
3 0

(b-7)m=r

Use the distributive property to multiply b-7 by m.

bm-7m=r

Add 7m to both sides.

bm=r+7m

The equation is in standard form.

mb=7m+r

Divide both sides by m.

mb/m = 7m+r/m

Dividing by m undoes the multiplication by m.

b= 7m+r/m

Divide r+7m by m.

b= r/m+7

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An array has 6 rows. Each row has 9 squares. How many squares are in the whole array?
nata0808 [166]

6 rows x 9 squares = 54

there are a total of 54 squares

8 0
3 years ago
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If point A is located at (-7, -3),
Taya2010 [7]

Answer:

-15

Step-by-step explanation:

because you have to add 12 to -3

4 0
3 years ago
PLEASE, I AM DESPERATE! CAN ANYONE, HELP ME WITH MY MATH!
Andru [333]
(6,1)&(5,4)
(7,-3)&(4,-8)
(-8,0)&(1,5)
Basically, you are to find the line that passes through 2 points.
Equation: y2-y1=m(x2-x1)
• x1: 6, x2: 5, y1: 1, y2: 4
(4-1)/(5-6)=m
m=3/-1
m=-3
Hence, m= -3x10^0

• x1: 7, x2: 4, y1: -3, y2: -8
(-8--3)/(4-7)=m
m=(-8+3)/-3
m=-5/-3
m=5/3
m=1.66666667
Hence, m=1.6667x10^0

• x1: -8, x2: 1, y1: 0, y2: 5
(5-0)/(1--8)=m
m=5/(1+8)
m=5/9
m=0.55555556
Hence, m=5.56x10^-1

Hope this helps!



5 0
3 years ago
A spinner is divided into 4 sections. The spinner is spun 100 times. The probability distribution shows the results.
Vitek1552 [10]

P(1≤x≤3) defined the probability that the result is between 1 and 3, included. You can answer this question in two ways:

1. Sum the probabilities of good events:

From the graph, we have

P(x=1) = 0.32,\quad P(x=2) = 0.24,\quad P(x=3) = 0.28

So,

P(1\leq x \leq 3) = 0.32+0.24+0.28 = 0.84

2. Use complementary probabilities

Asking that the result is 1, 2 or 3 is the same as asking that the result is not 4. The probability that the result is 4 is 0.16, so the probability that the result is not 4 will be

P(x\neq 4) = 1-P(x=4) = 1-0.16=0.84

The result is obviously the same.

5 0
3 years ago
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Can someone help with this please please please have no time
DENIUS [597]
7).  It is not possible.  It is impossible.
An "acute" triangle is a triangle in which all three angles are acute.
"Acute" means "less than 90 degrees".
A "right triangle" has a 90-degree angle in it, so all three
of its angles can't possibly be acute.

8).  Yes, Karen speaks the truth.
In an equilateral triangle, all three angles have
the same size, namely 60 degrees.
Studying this number astutely, you will notice that
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Therefore, all three angles in an equilateral triangle are acute angles.
Therefore, every equilateral triangle is a cute one.

9).  An equilateral triangle is one with all three sides the same length.
An isosceles triangle is one with two sides the same length.
A scalene triangle is one with all three sides different lengths.
You can drawum.
5 0
3 years ago
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