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3 years ago

Tanmayi wants to raise $160 for a school fundraiser. She has raised $130 so far. How much more does she

Mathematics

2 answers:

DIA [1.3K]3 years ago

7 0

m=$30

Step-by-step explanation:

if subtract 130 by 160 you get 30 tanmayi needs 30 dollars to reach her goal.

ohaa [14]3 years ago

3 0

Answer:

$30

Step-by-step explanation:

$160-$130=$30

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svlad2 [7]

It should be 78.54.
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The mechanics at Giuseppe’s Auto House specialize in changing fuel injection units and transmissions. Last week, they changed 5

Lemur [1.5K]

Answer:

The solution is (2,6)

Step-by-step explanation:

Let

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y-----> the number of hours to change a transmission

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Read 2 more answers

If 2^(x+3) - 2x = k(2^x) what is the value of k

svlad2 [7]

Answer:

$\large\boxed{C)\ 7}$

Step-by-step explanation:

Use:

$a^n\cdot a^m=a^{n+m}$

$2^{x+3}-2^x=2^x\cdot2^3-2^x=8\cdot2^x-2^x=(8-1)\cdot2^x=7\cdot2^x\\\\2^{x+3}-2^x=k(2^x)\\\\7\cdot2^x=k(2^x)\Rightarrow k=7$

$8\cdot2^x-2^x=8\cdot2^x-1\cdot2^x=(8-1)(2^x)=7\cdot2^x\\\\\text{distributive property:}\ a(b-c)=ab-ac$

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3 years ago

What is the product of and (6+5i) and (3-7i) ? -17-27i -17+27i 53+27i 53-27i

USPshnik [31]

We are going to make the product step by step.
We have:
(6 + 5i) * (3-7i)
Multiplying:
((6) * (3)) + ((6) * (- 7i)) + ((5i) * (3)) + ((5i) * (- 7i))
Rewriting:
18 - 42i + 15i - 35i ^ 2
18 - 42i + 15i - 35 * (- 1)
18 - 42i + 15i + 35
53 - 27i
Answer:
the product of and (6 + 5i) and (3-7i) is:
53-27i

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3 years ago