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poizon [28]
3 years ago
11

Find the value of x to the nearest tenth

Mathematics
1 answer:
o-na [289]3 years ago
5 0

As the sides shown are same so the base of large triangle is double the base of smaller triangle
That is
2(3x-8) =20
Divide both sides by 2
3x-8 = 10
Add 8 to both sides
3x =18
Divide both sides by 3
x=6

So answer is 6.0

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For each equation, determine the number of solutions and place on the appropriate field in the table. 3x2 + 24x = -48 4x2 - 16x
Arte-miy333 [17]

Answer:

3x^2+24x=-48 -> one solution, x=-4

4x^2-16x=0 -> has two solutions, x=0 and x=4

5x^2+2=4x -> has no solutions,

3(x+5)^2=-2 -> has no solutions.

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
The residual for Raisin Bran is 8.556. How many grams of sugar does Raisin Bran actually have per cup
nordsb [41]

Answer:

Note: <em>The full question is attached as picture below</em>

a. Slope of 0.536 means that when there is an increase in carbohydrate content, there will be sn increase in 0.536 grams of sugar content.

b. Coefficient of Determination, R^(2) = 0.544^(2) = 0.295936 = 0.296. Percent of variation = 29.6

c. For carbohydrate content of 29 grams,

Predicted amount of sugar per cup for Raisin Bran = -5.10 + 0.536*29 = 10.444 gram

d. Residual value= Actual value - Predicted value

8.556 = Actual sugar content - 10.444

Actual sugar content = 8.556 +10.444

Actual sugar content = 19

So, the Raisin Bran actually have 19 grams of sugar per cup.

8 0
3 years ago
Make x the subject of h = 4(x + 3y) + 2
Stolb23 [73]

Answer:

x= (h-12y-2)/4

Step-by-step explanation:

First expand the brackets so its 4x+12y+2=h

Then subtract 12y and 2 from both sides

This maxes 4x=h-12y-2

then divide by 4

so its x= (h-12y-2)/4

(you can simplify if you want you dont need to)

3 0
3 years ago
????????????????????????
lys-0071 [83]
374

Explanation: 22/100=x/1700
4 0
4 years ago
Noah's cousin is exactly 7 years younger than Noah. Let M represent Noah's cousin's age in months and N represent Noah's age in
sashaice [31]

Answer:

1,if Noah is 15 his cousin is 8 or 96 months

2, and when Noah's cousin is 132 months or 11 years old Noah will be 18

3,n-[[7]12]=age of Noah's cousin

Step-by-step explanation:

1,15-7=8

1 part 2, 8*12=96

2,132/12=11

2 part 2,

11+7=18

3,n-[[7]12]=age of Noah's cousin

4,n+[7/12]

if n=18

18+[7/12]

or

18+0.5833=18.5833

7 0
3 years ago
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