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Viefleur [7K]
2 years ago
8

Please help me

Mathematics
2 answers:
SCORPION-xisa [38]2 years ago
8 0

Answer:Therefore, f(−1)=6.

Step-by-step explanation:

So, if  f(x)=x+7 then f(−1)=(−1)+7

Therefore, f(−1)=6.

Olegator [25]2 years ago
7 0

Answer:

primeroaend:epr )

Step-by-step explanation:

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Find the midpoint from (-2,-2) to (6,6)
timama [110]
(2,2)


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4 0
2 years ago
Read 2 more answers
P= -4b^2+6b-9<br> Q= 7b^2-2b-5<br> P-Q=
insens350 [35]

Answer:

P - Q = - 11b² + 8b - 4

Step-by-step explanation:

P - Q

= - 4b² + 6b - 9 - (7b² - 2b - 5) ← distribute parenthesis by - 1

= - 4b² + 6b - 9 - 7b² + 2b + 5 ← collect like terms

= - 11b² + 8b - 4

5 0
3 years ago
The Students' Union needs to order some pens and notebooks. How much does it cost to order 1000 pens and 2000 notebooks? $ Cost
NeX [460]

Answer:

Then, it costs $2120 to order 1000 pens and 2000 notebooks.

Step-by-step explanation:

The Students' Union needs to order 1000 pens and 2000 notebooks. The price per pen when buying 1000 of them is 60c. The price per notebook when buying 2000 of them is 76c.

Then the total of money needed to order 1000 pens and 2000 notebooks is:

Total Money = 1000 × 0.60 + 2000 × 0.76 = $2120

Then, it costs $2120 to order 1000 pens and 2000 notebooks.

6 0
3 years ago
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