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Misha Larkins [42]
3 years ago
12

Simplify: (3x^2-5x +9)+(7x^2+8x-5

Mathematics
2 answers:
Ber [7]3 years ago
6 0

Answer:

=10x2+3x+4

Step-by-step explanation:

I hope this helps you

gogolik [260]3 years ago
6 0

Answer:

10x^2+3x+4 should be the correct answer

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Can someone answer this
Nady [450]

Answer:

the third one from the top

Step-by-step explanation:

3 0
2 years ago
If p and q vary inversely and pp is 23 when q is 6, determine q when p is equal to 69.
Lina20 [59]

Answer:

Answer is q = 2

Step-by-step explanation:

First make the equation with a constant so p=k/q

then substitute q to 6 and p to 23.

Then you have 23=k/6 and to find k multiply both sides to get k=138

next substitute p as 69=138/q then multiply q on both sides to get 69xq=138 and then divide 69 to 138 go get q which is 2

Like if it helped!

4 0
9 months ago
at a grocery store, an uncooked beef roast is on sale for $5.99/lb. At the same grocery store, prepared roast beef is available
-Dominant- [34]

Answer:

$7.58/lb

Step-by-step explanation:

raw roast: $5.99 per lb

deli roast: $2.99 for 100g

We know the price per lb of the raw roast.

Let's find the price per lb of the deli roast.

1 lb = 454 grams

454 grams / 100 grams = 4.54

1 lb is 4.54 times 100 g

If we multiply the price of 100g of deli roast by 4.54, we get teh price per lb.

$2.99/lb * 4.54 = $13.57/lb

raw roast: $5.99/lb

deli roast: $13.57/lb

difference in price of 1 lb: $13.57 - $5.99 = $7.58

Answer: $7.58/lb

3 0
3 years ago
Read 2 more answers
What is the converse statement of ~c → p?
pychu [463]

Answer:

p -> ~c

Step-by-step explanation:

Converse is when you change the order.

If a, then b

If b, then a

5 0
3 years ago
Dan buys a car for £2200.
pashok25 [27]

Answer:

£1134

Step-by-step explanation:

0.5%×6 = 3.0% ≈ 3%

\frac{3}{100} × 2200 = 3 × 22 = 66 (we shorten the zeros ⇒ ∅∅)

2200 - 66 = £1134

3 0
2 years ago
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