3 years ago

Need help ASAP due in 30 minutes!

Mathematics

2 answers:

Whitepunk [10]3 years ago

7 0

Y=3x-4

Hope you get it turned in in time!!!

Serjik [45]3 years ago

4 0

Answer:y=3x-4 is the answer

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The sum of seven times a number, and 9, is equal to six times the number. What's the algebraic expression?

S_A_V [24]

7n+9=6n
9=-n
n=-9
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2 years ago

Perform the operation.<br> (-x^2 – 1) – (-2x^2 – 4)

ivolga24 [154]

Answer:

Okay!

Step-by-step explanation:

I have simplified the operation, and I got x^2 + 3.

If you wanted me to evaluate, the answer is still x^2 + 3.

If you wanted me to subtract then the answer is again, x^2 + 3.

Basically the answer is x^2 + 3.

Have a good day!

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2 years ago

Solve the equations shown above. Show your work by using the inverse operation.

sergeinik [125]

X=12 and x=7 hope this helps !

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2 years ago

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What is the value of z in the equation 2(4z − 3 − 1) = 166 − 46?

shepuryov [24]

Refine $2(4z-3-1)$

$= 2(4z-4)$

Refine : $166 - 16 = 120$

therefore:

$2(z-4) = 120$

Divide both sides by 2 :

$\frac{2(z-4)}{2} = \frac{120}{2}$

$4z-4 = 60$

add 4 to both sides:

$4z-4+4 = 60+4$

$4z = 64$

Divide both sides by 4 :

$\frac{4z}{4} = \frac{64}{4}$

$z = 16$

hope this helps!

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2 years ago

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Erin has scanned a 4 × 5-inch postcard, and she wants to reduce it to make a graphic for her Web site. She will use a scale fact

Rasek [7]

Just multiply both dimensions by 2 to make it into centimeters.

Therefore,

4*2 x 5*2 (in inches) will be:

8cm x 10cm (in centimeters)

We conclude that the dimensions of her postcard into a graphic on her web page will be 8x10 in centimeter units.

I hope my answer has come to your help. Thank you for posting your question here in Brainly.

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3 years ago