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Elodia [21]
3 years ago
8

Help anybody please idem

Mathematics
2 answers:
AysviL [449]3 years ago
6 0

Answer:

-64

Step-by-step explanation:

f(x)=-4^x

f(3)=-4^3=-64

Cerrena [4.2K]3 years ago
4 0

Answer:

-64

Step-by-step explanation:

1) Substitute x with 3

-4^3

2) solve

-64

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Manuel bought 2kg of jelly beans and 2kg of gummy worms for a total of $26. Danny bought 2kg of jelly beans and 3kg of gummy wor
charle [14.2K]

Answer:

Jelly beans: $6 for 1 kg

Gummy worms: $7 for 1 kg

Step-by-step explanation:

In this question, we need to find the cost of 1kg of jelly beans and gummy worms.

To do this, make equations for both scenarios and solve:

2j + 2g = 26

2j + 3g = 33

Turn the bottom equation negative, as we will first solve for gummy worms (g).

2j + 2g = 26

-2j - 3g = -33

Solve:

-g = -7

Divide both sides by -1.

g = 7

We now know that gummy worms cost $7 for 1 kg

To solve for jellybeans (j), plug in 7 to g in one of the equations and solve:

2j + 2(7) = 26

2j + 14 = 26

Subtract 14 from both sides.

2j = 12

Divide both sides by 2.

j = 6

Jellybeans cost $6 for 1 kg.

Check answer by plugging in values to one of the equations:

2(6) + 2(7) = 26

12 + 14 = 26

26 = 26

3 0
3 years ago
Can someone please please help me :(
Readme [11.4K]

Answer:i think its 15 because if you take the km numbers and subtract them

Step-by-step explanation:

7 0
3 years ago
Use a calculator to find the r-value of these data. Round the value three decimal places.​
Soloha48 [4]

Answer:

Option C. r=-0.901

Step-by-step explanation:

we know that

Using a Excel tool (Correl function)

see the attached table

The r-value is r=-0.901

8 0
3 years ago
Read 2 more answers
When you round a number, what should you do with the digits to the right of the place to which you are rounding?
kaheart [24]
Depends on what place you are rounding to. you would usually drop them
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Greg worked 7 hours on Friday and earned an additional $40 in tips. Then he worked 6 hours on Saturday and earned an additional
andre [41]
7d + 40 + 6d + 35 =
13d + 75 <== simplified
7 0
3 years ago
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