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3 years ago

What’s the answer to this question

Mathematics

2 answers:

Andreas93 [3]3 years ago

8 0

Answer:

Step-by-step explanation:

When all of the variables are the same in a problem, think of them as the same term. They can be added and subtracted just as you would add and subtract normal numbers.

For example if I have 5 bananas on a table and take away 3 bananas. I only have two bananas left (2b). It's the same when there are variables!

Subtract 9 from 3:

-6ab+7ab

Add -6 to 7:

Your final answer is ab!

valentinak56 [21]3 years ago

5 0

Combining like terms. 3ab-9ab=-6ab and -6ab+7ab=ab. Therefore the answer is ab

You might be interested in

Vesnalui [34]

1)4x-7=2x+9
Subtract 2x
2x-7= 9
Add 7
2x=16
X= 8

2(8)+9=25
(8,25)

X+y=10
-X-2y=-14
-y= -4
Y=4
X+4=10
X=6
(6,4)

8 0

3 years ago

PLS HELP ILL GIVE BRAINLIEST.

liberstina [14]

Answer:

Step-by-step explanation:

I think it increased by 20% I think or it’s 25% think

3 0

3 years ago

Can somebody help me find the surface area of this

-Dominant- [34]

Answer:

G. 7600 $cm^{2}$

Step-by-step explanation:

Step 1: Deconstruct the shape

2 rectangles with dimension of 50 cm x 20 cm

2 rectangles with dimension of 40 cm x 20 cm

2 rectangles with dimension of 40 cm x 50 cm

Step 2: Find surface area of the shapes

2(50 x 20) = 2000 $cm^{2}$

2(40 x 20) = 1600 $cm^{2}$

2(40 x 50) = 4000 $cm^{2}$

Step 3: Add the surface areas together

2000 + 1600 + 4000 = 7600 $cm^{2}$

Therefore the surface area is 7600 $cm^{2}$ and the answer is G.

4 0

3 years ago

A women buys 23 pounds of potatoes. She gives 10% of them to a neighbor and 15% of them to her mother. How many pounds dose she

vlabodo [156]

Answer:

= 17.25 pounds (Answer)

Step-by-step explanation:

Potatoes she bought = 23 pounds

Amount she gave outsiders= 10+15=25%

= 23×25/100= 23/4=5.75 pounds

Potatoes left with her= 23 — 5.75

= 17.25 pounds (Answer)

4 0

2 years ago

Read 2 more answers

Given h(x) = 5x -1, find h(1).

Norma-Jean [14]

H(1) = 4

h(1)= 5 x 1 -1
=5-1
=4
hope that helps <3

5 0

3 years ago