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marishachu [46]
2 years ago
15

What is an equivalent expression to 4(5a+2-3b)

Mathematics
1 answer:
marishachu [46]2 years ago
5 0
20a+8-12b. Could be written as 20a-12b+8
You might be interested in
/<img src="https://tex.z-dn.net/?f=%5Cfrac%7Bx-9%7D%7B15%7D%20%3D%5Cfrac%7B2x-9%7D%7B10%5C%5C%7D" id="TexFormula1" title="\frac{
motikmotik

Step-by-step explanation:

\frac{x - 9}{15}  =  \frac{2x - 9}{10}  \\

\frac{x - 9}{3}  =  \frac{2x - 9}{2}  \\

2( x - 9) = 3(2x - 9) \\

2x - 18 = 6x - 27

27 - 18 = 6x - 2x

9 = 4x

x =  \frac{9}{4} \\

5 0
2 years ago
Through: (1,5), perp. to y=-1/10x + 3<br> pls help
Sedbober [7]
First to get the equation you knew to understand one thing about perpendicular lines. The slope of the line is the opposite reciprocal of the perpendicular lines or the new slope is m = 10.

Then you use the formula
y = mx + b
you plug in your values from the point and the new slope.
(1,5) with new slope m
5= 10(1)+b
5-10=b
-5 = b
then make your new equation
y = 10x -5
that's your line that goes through point (1,5) and is perpendicular to the line given
8 0
3 years ago
Write down the exact value of:<br> a) cos 30°<br> b) sin 45°<br> c) tan 30°
Alexus [3.1K]

Answer:

a) 0.86602540378

b) 0.70710678118

c) 0.57735026919

Step-by-step explanation:

4 0
3 years ago
The measure of arc LM is °. The measure of angle MBL is °. The measure of angle MNL is °.
Vedmedyk [2.9K]

The measure of arc LM is 116

The measure angle MBL is 58

The measure of angle MNL is 64

5 0
3 years ago
Read 2 more answers
Can someone please help me find the area of this parallelogram.
Lady bird [3.3K]

Answer:

72

Step-by-step explanation:

18 + 18 + 6 + 6 + 12 + 12

3 0
3 years ago
Read 2 more answers
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