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nikklg [1K]
3 years ago
12

Solve the equation for A

Mathematics
1 answer:
Otrada [13]3 years ago
3 0

Answer:


Step-by-step explanation:

a=35 im 100% sure


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If A= [-5,7] and B= [6,10], then find A u B
lesantik [10]

Answer:

\large\boxed{A\ \cup\ B=[-5,\ 10]}

Step-by-step explanation:

Look at the picture.

The union of two sets A and B (A ∪ B) is the set of elements which are in A, in B, or in both A and B

7 0
3 years ago
I have to find slope-intercept equation
adoni [48]

Answer:

y = 4x - 9

Step-by-step explanation:

y = mx + b

m = slope

b = y-intercept

the y-intercept is when the line crosses the y axis, and in this case we can see it at "-9"

The slope we can do rise over run "r/r" ot "y/x"

r/r = 4/1 = 4

The line is positive since its going up

y = 4x - 9

Hope this helped!

Have a supercalifragilisticexpialidocious day!

7 0
3 years ago
Solve for w in the proportion.<br> W/14 = 21/42 W = ?
Nataly [62]

Answer:

W = 7

Step-by-step explanation:

1) Simplify 21/42 into 1/2

w/ 14 = 1/2

2) Multiply both sides by 14.

W = 1/2 · 14

3) Simplify

W = 14/29

4) Simplify (again)

W = 7

8 0
3 years ago
If P(A) = 1. P(A and B) = 1 and P(A or B) = ģ. what is P(B)?
jasenka [17]
C.2/3kdbdbdjkdkdkdndnfnfnfnjfjf
4 0
3 years ago
What is the area? Round to the nearest tenth
Tamiku [17]

Answer:

60.8 mm^2

D

Step-by-step explanation:

Remark

You have to assume that the left and right sides are both 9.3. The question is undoable without that assumption.

Next, you have to assume that The top is 7.8 mm across and both ends meet 9.3 at right angles. Again if that is not true, the problem can't be done. Sometimes people making these questions make errors which you are asked to correct.

Solution

So let's assume that everything I've assumed is correct.

Find the area of the rectangle.

Area = L*W

L = 9.3

W = 7.8

Area = 7.8 * 9.3

Area = 72.54        Do your rounding at the end.

Now find the are of the triangle that has been cut out.

The height = 3

The base = 7.8

Area = 1/2 b * h

Area = 1/2 7.8 * 3

Area = 11.7

The area of the figure = area of the rectangle - the triangle's area

Figure Area = 72.54 - 11.7

Figure Area = 60.84

6 0
3 years ago
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