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Luba_88 [7]
3 years ago
14

Help please this is due tonight

Mathematics
1 answer:
Keith_Richards [23]3 years ago
8 0
ANSWER:
x=5

ok so
2x+3=4x-7
+7 +7
2x+10=4x
-2x -2x
10=2x
--- ----
2 2

x= 5
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Which phrase matches the algebraic expression below 3(x+7)+10
Vladimir79 [104]
Which ever expression is 3x + 21 + 10 ..... 21 + 10 = 31 .... So it'll be 3x + 31 .
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3 years ago
1) In the national park, the ratio of black bears to grizzly bears is 3:1.
Vika [28.1K]
A)
3 : 1
24 : ? 
Add the ratio together (3+1=4), Divide the one you know (24 Black bears) by the ratio (24/4=8), the answer equals the amount of the missing value. (?=8)

B)
3 : 1
? : 12
12*3=36    ?=36
The black bear is just 3* bigger than the grizzly bear.

C)
Total =20
Add the ratio together (3+1=4), divide by the total (20/4=5), and then just multiple the ratios by 5.
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I hope this helps :)


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3 years ago
a newborn boa constrictor measure 18 inches long. An adult boa constrictor measures 9 times the lenght of the newborn plus 2 inc
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Since all the information is given, then merely put the necessary facts in order. 

Had the length of the newborn been unknown, it would have been represented by x.

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9x = 164 - 2
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8 0
3 years ago
Read 2 more answers
The coordinate grid shows points A through K. What point is a solution to the system of inequalities?
Eddi Din [679]

Answer:

Option D) F

Step-by-step explanation:

we have

y < -2x+10 -----> inequality A

The solution of the inequality A is the shaded area below the dashed line y=-2x+10

The y-intercept of the dashed line is (0,10)

The x-intercept of the dashed line is (5,0)

y < \frac{1}{2}x-2 ----> inequality B  

The solution of the inequality B is the shaded area below the dashed line y=\frac{1}{2}x-2

The y-intercept of the dashed line is (0,-2)

The x-intercept of the dashed line is (4,0)

The solution of the system of inequalities is the shaded area between the two dashed lines

see that attached figure

Remember that

If a ordered pair is a solution of the system of inequalities, then the ordered pair must lie on the shaded area of the solution

therefore

The solution are the points

E, F and G

8 0
3 years ago
Question 11
Black_prince [1.1K]

Answer:

A

Step-by-step explanation:

Because the cost per pie is less.

8 0
3 years ago
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