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Murljashka [212]
4 years ago
10

PLEASE HELP cant remember how to do

Mathematics
1 answer:
Alina [70]4 years ago
6 0

Answer:

x=-1

Step-by-step explanation:

if I understand correctly, you need to find where x^2 + 4x + 8 is equal to 2x+7, so basically where they intersect, and you must do it without calculations

in the table there is just one value of x for which the value of both y for both equations is the same and it is x = -1

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mafiozo [28]
B. commutative property 
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3 years ago
Given f(x) = 3x + 2 and g(x) = 2x - 1, find (g(x))2.
valina [46]

Answer:

C (if the sign after the digit 1,2,3,4 is not minus !!!)

Step-by-step explanation:

f(x)=3x+2\\\\g(x)=2x-1\\\\\\g^2(x)=(gog)(x)=g(g(x)=g(2x-1)=2(2x-1)-1=4x-2-1=4x-3\\\\\\if \ you\ means \ g(x)*g(x)\ then\\\\(g(x))^2=(2x-1)^2=4x^2-4x+1:\ answer \ C

6 0
3 years ago
What dimensions will produce a square-based box, of minimum surface area, with volume of
Mashutka [201]

Answer:

the total surface of the box is 486 cm 2

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3 0
2 years ago
I want 5kg of rice.
nikdorinn [45]

The best possible choice for addition will be given by

a)  Cost of 5 boxes of 1 kg rice = £7

b) Cheapest way to buy 5 kg rice is by buying 2 kg + 2 kg+ 1 kg and the        

    cost is £6.7

What is addition?

Bringing two or more numbers together to find a new total is called addition.

Here,

a) Cost of 1 kg rice = £1.4

   Cost of 5 boxes of 1 kg rice = £1.4 * 5

                                                  = £7

b) Possible ways of buying 5kg rice

1) 1 kg + 1 kg + 1 kg + 1 kg + 1 kg

2) 1 kg + 1 kg + 1  kg + 2 kg

3) 1 kg + 1 kg  + 1.5 kg + 1.5 kg

4) 2 kg + 2 kg + 1 kg

Now

cost of rice in 1) = £(1.40 + 1.40  + 1.40 + 1.40 + 1.40) = £7

cost of rice in 2) = £(1.40 + 1.40  + 1.40 + 2.65) = £6.85

cost of rice in 3) = £(1.40 + 1.40  + 2.05 + 2.05) = £6.9

cost of rice in 4) = £(2.65 + 2.65 + 1.40) = £6.7

Cheapest way to buy 5 kg rice is by buying 2 kg + 2 kg+ 1 kg and the cost is £6.7

To learn more about addition, refer to the link:

brainly.com/question/5982761

#SPJ9

Complete Question

A shop sells three different sized boxes of rice. Nice Rice 1kg £1.4, 1.5 kg

£2.05, 2kg 2.65

a) I want  of rice. I could buy five boxes of size . How much would that cost? b) I could buy  of rice in different ways. How much would it cost to buy  of rice in the cheapest way possible?

4 0
2 years ago
Hi i'm stup*d at math and im not sure :(
pashok25 [27]

Answer:

I think standard form would be best because it is simplest.

Step-by-step explanation:

hope this helps

6 0
3 years ago
Read 2 more answers
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