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Sphinxa [80]
1 year ago
11

Solve the system: 6x - 7y + z = 49 3x + 8y - 2z = −44 x+y+z=7

Mathematics
1 answer:
Oksanka [162]1 year ago
3 0

using a calculator,X=2,y=-4 and z=9.

R

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ANSWER TO THE QUESTION............
olga55 [171]
I’m sorry but I can’t see it. Message me the licture
3 0
3 years ago
Monica bought a sweater for $48.00. A week later the sweater went on sale for 25% off the original price. If Monica needed to pa
IRINA_888 [86]

Answer:

A  $12.84

Step-by-step explanation:

Sweater was originally $48.00 before tax.  $48.00 x 7% tax rate (.07) = $3.36 in tax

So the sweater originally would've cost $48.00 + $3.36 = $51.36

The sale price was 25% off the $48.00.  $48.00 x 25% (.25) = $12.00

Then you subtract the $12.00 from the $48.00 to get the new price of $36.00

Now that's before tax, so $36.00 x 7% tax rate (.07) = $2.52 in tax

So the sweater would cost on sale $36.00 + $2.52 = $38.52

To figure out how much she would've saved you subtract the sale price & tax from the original price & tax $51.36 - $38.52 = $12.84

8 0
1 year ago
Norman is shipping 2 boxes. the first box weighs 4180 grams and the second box weighs 820 grams. if shipping costs $6.43 per kil
gregori [183]
Total cost is: $<span>32.15

</span>
3 0
3 years ago
Read 2 more answers
Which of the following graphs shows the preimage P(x)=x^2 and the image I(x)=P(1/3x)?
Ksju [112]

Answer:

The picture with the widest graph in red

Step-by-step explanation:

The graph P(x) is the parent graph for all quadratic functions. It has a vertex of (0,0) and has the following points:

x      f(x)

-2      4

-1       1

0       0

1         1

2       4

The image of l(x) = P(1/3x) changes the points of the function to

x      f(x)

-2/3      4/9

-1/3        1/9

0       0

1/3        1/9

2/3       4/9

This makes the graph much wider. The graph with the widest red graph is the graph.

7 0
3 years ago
Read 2 more answers
What is the volume of a square pyramid with base edges of 60 inches and a height of 10 inches?
vichka [17]

Answer:

The volume is 12000 in^3

Step-by-step explanation:

From the question ,

L= 60\:in. and H=10\:in.

The volume of a pyramid is given as

V=\frac{1}{3} \times area\:of\:the\:base \times height

From the question, the base of the pyramid is a square.

Hence base area is given by L^{2}

This implies that the volume of the pyramid is

=\frac{1}{3} \times L^{2}\times H

=\frac{1}{3}\times 60^{2} \times 10

=\frac{36000}{3}

=12000 in^3

6 0
2 years ago
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