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ohaa [14]
3 years ago
9

Number 12and13 please please someone please help please

Mathematics
1 answer:
Yanka [14]3 years ago
3 0
12. 5x + 2x = 7
13. I think it’s (3 + x) divided by 5 = 10. The answer is 47 because (47 + 3) 50 is the only number that can be divided by 5 and equal 10.
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1) Shannon and Kristoph are dividing numbers written in scientific notation.
mihalych1998 [28]

Answer:

<h3>(A)</h3>

The answers will have the same value, beacuse both scientific notations have the same coefficient, 4.2 and 1.4. Also, if you mentally subtract the exponents of those powers, you would have the same exponent. So, equal coefficient and equal exponent will give the same result.

<h3>(B)</h3>

The value of each expression can be found by dividing coefficients and powers.

\frac{4.2 \times 10^{9} }{1.4 \times 10^{4} }=3 \times 10^{9-4} = 3 \times  10^{5}

<h3>(C)</h3>

The value of each expression in standard form is

3 \times 10^{5}=300,000

Remember that standard form refers to the number without the ten-power.

5 0
4 years ago
To get the 10% discount, a shopper must spend at least $200.
Liula [17]

Answer:

d\geq \$200

Step-by-step explanation:

we know that

To get the 10% discount, a shopper must spend at least $200

so

Let

d ------> represent the spending (in dollars) of a shopper who gets the discount

therefore

The value of d must be greater than or equal to $200

d\geq \$200

5 0
3 years ago
AS ALWAYS, DUE TODAY!!! WILL GIVE EVERYTHING GOOD!!! NOTE: I NEED THE COORDINATES!!! I STILL NEED HELP WITH THIS!!!
aliya0001 [1]

Answer:

(2, 5)

Step-by-step explanation:

8 0
3 years ago
ASAP<br> please help me with this
Stolb23 [73]
17.) (-2,0) & (5,0)
19.)(-8,0) & (-7,0)
20.)(-5,0) &(1.5,0)
21.)(-2,0) &(8,0)
I put all of them into Desmos the x’s or solutions are when the u shaped graphs pass through the x-axis
Please mark me the Brainiest
6 0
3 years ago
Pleasee help with this question, or explain how to solve
krek1111 [17]

Answer:

The missing measure is 70.

Step-by-step explanation:

Because the two inside angles that arent next to each other on the suppelment add up to the outside angle, 120-50 is the missing angle. Sorry if this explaination is confusing.  

5 0
3 years ago
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