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liubo4ka [24]
3 years ago
14

(6ab+a-4)-(ab-1) please help me!

Mathematics
2 answers:
sammy [17]3 years ago
8 0
(6ab + a - 4)-(ab-1) \\ \\ 6ab + a - 4 - ab + 1 \\ \\ (6ab - ab) + a - 4 + 1 \\ \\ 5ab + a - 4 + 1 \\ \\ 5ab + a - 3 \\ \\ Answer: \fbox {5ab + a - 3}
Illusion [34]3 years ago
4 0
☆Let's simplify step-by-step!☆
☆<span>Question you asked:
</span><span><span><span><span>6a</span>b</span>+a</span>−4</span>−<span>(<span><span>ab</span>−1</span><span>)
</span></span>
☆<span>Distribute the Negative Sign:
</span><span><span><span><span>6a</span>b</span>+a</span>−4</span>+<span>−1<span>(<span><span>ab</span>−1</span><span>)
</span></span></span><span><span><span><span><span><span>6a</span>b</span>+a</span>+</span>−4</span>+<span><span>−1a</span>b</span></span>+<span><span>(−1)</span><span>(<span>−1</span><span>)
</span></span></span><span><span><span><span><span><span><span>6a</span>b</span>+a</span>+</span>−4</span>+</span>−<span>ab</span></span>+<span>1
</span>
☆<span>Combine Like Terms:
</span><span><span><span><span>6ab</span>+a</span>+−4</span>+<span>−ab</span></span>+1
<span><span>(<span><span>6ab</span>+<span>−ab</span></span>)</span>+<span>(a)</span></span>+<span>(<span>−4+1</span><span>)
</span></span>
☆Answer:
<span><span><span>5a</span>b</span>+a</span>+<span>−3
</span>
<span>☆</span>I hope this helps!☆
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If the measure of angle A is 40 degrees and the length of side b is 15 inches, which can be the length of side a if it is possib
Julli [10]
This is the concept of trigonometry, to get the possible length of side a we use the sine rule which states that:
a/sin A=b/sin B=c/sin B
where;
a,b and c are the sides
A,B and C are the angles
thus the value of A could be as follows;
assuming the triangle is an isosceles triangle, the base angles will be:
(180-40)/2=70
thus;
15/sin 70=a/sin 40
a=(15sin40)/sin70
a=10.26 inches
thus the possible size of a=10.26 inches
8 0
3 years ago
Help please <br><br><br><br> Show two different ways to factor<br> -2x - 10
Arada [10]
-2(x+5) OR 2(-x-5) I hope that helps if not please let me know!
3 0
3 years ago
Can ya'll do my math homework too pleaseee? again I'll give brainliest and be rlly happy.
RUDIKE [14]

Answer:

1. f = -9

2. x = -7

3. x = -9

4. x = -20

5. y = 7.5

Step-by-step explanation:

Hope this helps

5 0
3 years ago
Read 2 more answers
Suppose that a car rental agency charges a fixed amount per day plus an amount per mile for renting a car. Heidi rented a car on
elena55 [62]

9514 1404 393

Answer:

  f(x) = 0.15x +25

Step-by-step explanation:

We are given two points:

  (x, y) = (180, 52) or (350, 77.50)

The slope is given by ...

  m = (y2 -y1)/(x2 -x1)

  m = (77.50 -52)/(350 -180) = 25.50/170 = 0.15

The y-intercept is given by ...

  b = y -mx

  b = 52 -0.15×180 = 25

Then the equation for the linear function is ...

  f(x) = mx +b

  f(x) = 0.15x +25

8 0
3 years ago
Solve 0.25[2.5x + 1.5(x – 4)] = –x.
zheka24 [161]

Answer:

X = 0.75

Step-by-step explanation:

0.25[2.5x + 1.5(X-4)]= -X

0.25[2.5x + 1.5x - 6] = -x

0.25[4x -6] = -x

1x + x = 1.5

2x = 1.5

x = 1.5/2

x = 0.75

8 0
3 years ago
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