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Gwar [14]
2 years ago
9

Plz help me with this practice test this is a practice for our final test I have on Monday

Mathematics
1 answer:
Nana76 [90]2 years ago
7 0

Answer:

Step-by-step explanation:

1) a + $5.92 = $12.29

subtract 5.92 from both sides

a = $6.37

Third option, a = $6.37

2) Multiply the equation by j to get it to the left side

42 = 6j

Divide both sides by 6

42/6 = 7

Answer: 7

3) 9 + 8 = 17           No

   9 x 3 = 27          Yes

   9 + 3 = 12           No

   9 - 5 = 4             Yes

   9/3 = 3                No

4) 15.32 + c = 29.00

c = 13.68 is the most expensive you can go, so it would be the soccer ball, since it is the most expensive item under 13.68.

5) 6 x 6 = 36 .    False

   5 + 6 = 11 .       True

   6/2 = 3 .          True

 17 - 6 = 11           True

Hope this helps :)

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Identify the missing numbers below to show the result of multiplying the numbers.
saveliy_v [14]
(3.5x1016) = 3556
and 
(2.2x1010) = 2222

As per question;
(3556)x(2222) = 10 a*b
By dividing both sides by "10"
we get
(3556)x(222.2) = a*b
or 
(355.6)x(2222) = a*b
by comparing both sides of the equation, 
we get that a = 3556  and b = 222.2
or 
a = 355.6 and b = 2222
7 0
3 years ago
Read 2 more answers
How do u put 3 6/60 as a decimal?
pochemuha
3 over 1 + 6 over 60

[3 over 1 × 60 over 60] + 6 over 60

180 over 60 + 6 over 60 ➡ 186 over 60

186 over 60 ➡ 31 over 10

Then we divide 31 from 10 which give you the quotient of 3.1..


(((Meaning ➡ '"3.1" would be your answer)))


6 0
3 years ago
Determine the volume of the solid that lies between planes perpendicular to the x-axis at x=0 and x=4. The cross sections perpen
OverLord2011 [107]

Answer:

Volume = 16 unit^3

Step-by-step explanation:

Given:

- Solid lies between planes x = 0 and x = 4.

- The diagonals rum from curves y = sqrt(x)  to  y = -sqrt(x)

Find:

Determine the Volume bounded.

Solution:

- First we will find the projected area of the solid on the x = 0 plane.

                              A(x) = 0.5*(diagonal)^2

- Since the diagonal run from y = sqrt(x) to y = -sqrt(x). We have,

                              A(x) = 0.5*(sqrt(x) + sqrt(x) )^2

                              A(x) = 0.5*(4x) = 2x

- Using the Area we will integrate int the direction of x from 0 to 4 too get the volume of the solid:

                              V = integral(A(x)).dx

                              V = integral(2*x).dx

                               V = x^2

- Evaluate limits 0 < x < 4:

                               V= 16 - 0 = 16 unit^3

3 0
3 years ago
what is the factored form of the linear expression 4x+14 Ill give Brainly Award Comments, Thanks, and a 5-star rating
Gnesinka [82]

Answer:

2(2x+7)

Step-by-step explanation:

we have

4x+14

we know that

4=2^2=(2)(2)\\14=(2)(7)

substitute

(2)(2)x+(2)(7)

Factor 2

2[(2)x+(7)]

2(2x+7)

6 0
3 years ago
What is a mixed number for 5/2
m_a_m_a [10]

Answer: 2 1/2

Step-by-step explanation:  Divide using long division. The whole number portion will be the number of times the denominator of the original fraction divides evenly into the numerator of the original fraction, and the fraction portion of the mixed number will be the remainder of the original fraction division over the denominator of the original fraction. Hope this helps!! PLZ mark me!!!

8 0
3 years ago
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