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Anika [276]
3 years ago
6

thhe prim factorization of a number 3 to the power of 2 x 5 to the power of 3 x 7. which statement is true about the factors of

the number.
Mathematics
2 answers:
horsena [70]3 years ago
5 0

Answer:

It's option A. 21 is a factor of the number because both 3 and 7 are prime factors.

densk [106]3 years ago
4 0

Answer:

21 is a factor of the number because both 3 and 7 are prime factors.

Step-by-step explanation:

3^2 × 5^3 × 7

= 3 × 3 × 5 × 5 × 5 × 7

Here the prime factors are 3, 5, and 7.

Now, I've done this question before, so I'm assuming one of your options is  "21 is a factor of the number because both 3 and 7 are prime factors", if this is one of your choices then choose this. It is the correct answer.

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A 40% sugar solution is added to an 85% sugar solution to create 1800 mL of a 60% solution. How much of each solution is used? (
denis-greek [22]

Answer:

Number of ml of 40% sugar = x = 1000mL

Number of ml of 85% sugar used = y = 800mL

Step-by-step explanation:

Let the

Number of ml of 40% sugar = x

Number of ml of 85% sugar used = y

From the above question, our system of equations is given as:

x + y = 1800mL ....... Equation 1

x = 1800 - y

40% × x + 85% × y = 60% × 1800mL

0.4x + 0.85y = 1080.... Equation 2

We substitute 1800 - y for x in Equation 2

0.4(1800 - y) + 0.85y = 1080

720 - 0.4y + 0.85y = 1080

- 0.4y + 0.85y = 1080 - 720

0.45y = 360

y = 360/0.45

y = 800mL

Solving for x

x = 1800 - y

x = 1800 - 800

x = 1000mL

Therefore,

Number of ml of 40% sugar = x = 1000mL

Number of ml of 85% sugar used = y = 800mL

4 0
3 years ago
What is the value of x in the equation<br> 4z +16<br> 12<br> = х - 4?
Serhud [2]
<h3>Solution:</h3>

\frac{4x + 16}{12}  = x - 4 \\  =  > 4x + 16 = 12(x - 4) \\  =  > 4x + 16 = 12x - 48 \\  =  > 16 + 48 = 12x  - 4x \\  =  > 64 = 8x \\  =  > x =  \frac{64}{8}  \\  =  > x = 8

<h3>Answer:</h3>

x = 8

7 0
3 years ago
On a number line, 9.7 would be located where? Choose all answers that make a true statement
RideAnS [48]

Answer:

Step-by-stepapex answer to the left of 9.9 and to the right of 9.3 explanation:

6 0
3 years ago
It order of operations can someone help me
Lemur [1.5K]

Answer:

-3

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
What is the slope if a line has a y intercept of 6 and a x intercept of -2
forsale [732]
-2
X intercept is just another word for slope.
Hope that helps.
4 0
3 years ago
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