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Butoxors [25]
3 years ago
13

Simplify: 3x + 4y + 7x - 2y

Mathematics
2 answers:
tresset_1 [31]3 years ago
8 0

Answer:

10x+2y

Step-by-step explanation:

combine like terms

valina [46]3 years ago
6 0

Answer:

Step-by-step explanation:

3x + 4y + 7x - 2y=3x + 7x +4y - 2y

10x + 2y

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In math class, 4 students complete individual surveys to determine the percentage of high school teachers that have a second job
Fudgin [204]
If your surveys are the following:
A. A survey of 110 teachers showed that 28 of them have a second job. 
<span>B. A survey of 90 teachers showed that 27 of them have a second job. </span>
<span>C. A survey of 70 teachers showed that 21 of them have a second job. </span>
<span>D. A survey of 80 teachers showed that 32 of them have a second job. 
</span>
Then the answer is B and C
3 0
3 years ago
Read 2 more answers
Could you please show the work for both of them?​
lesantik [10]
7. y=-3/2x+8 (3rd answer choice)

substitute
-4=-3/2(8)+b
-4=-24/2 +b
-4=-12+b
+12 both sides
8=b

so equation would be...

y=-3/2x+8 (3rd answer choice)




8. y=-5x-17 (2nd answer choice)

substitute
-2=-5(-3)+b
-2=15+b
-15 both sides
-17=b

so the equation would be...

y=-5x-17 (2nd answer choice)


check your work by substituting each (x,y) value into the final equations if you want. hope this helps :))
3 0
3 years ago
Can someone help me please?
Gwar [14]

Answer:

10.5 cm^2

Step-by-step explanation:

Area of a triangle = 1/2(L x H)

Reading from the diagram

length = 7 cm

height = 3 cm

therefore

Area of the triangle = 1/2( 7×3)

Area = 10.5 cm^2

4 0
3 years ago
Math question need help solving
pochemuha

Answer:

where are my glasses

Step-by-step explanation:

5 0
3 years ago
Cheryl, Rita, and four of their friends go to a movie and share a 48-ounce bag of popcorn equally and three 48-inch licorice lac
kvv77 [185]

You divide each total amount by the number of persons Popcorn: 48/6 = 8 Licorice: 3 X 48 = 144 144/6 = 24 So each person ate 8 ounces of popcorn and 24 inches of licorice laces  


4 0
3 years ago
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