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IgorLugansk [536]
3 years ago
13

Distribute the expression:

Mathematics
1 answer:
AlekseyPX3 years ago
8 0
6(3r^2 - 4r + 7)
18r^2 - 24r + 42
Letter A
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Find the range of the data set 145, 612, 120, 349, 515, 212, 590.
storchak [24]

Answer:

The biggest - the smallest

612-120=492

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2 years ago
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Tell me the answer on this to lazy at least am honest ​
luda_lava [24]

Answer:

reflection

Step-by-step explanation:

it goes against the y axis

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3 years ago
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Janine is saving money to buy a car. She has a total of $1400 left to save, and she plans to save a certain percentage of $1400
shusha [124]

Answer:

August=$350

September=$560

October=$210

November= $280

Step-by-step explanation:

Total amount left to save $1400.

We calculate the amount save each mount since we are already given the percentages.

For the month of August she saves 25% of $1400, we convert the percentage to equivalent cash

\frac{25}{100}*1400\\=350

for the month of August, she saved $350,

Next For the month of September she saves 40% of $1400, we convert the percentage to equivalent cash

\frac{40}{100}*1400\\=560

for the month of September, she saved $560,

Next For the month of October she saves 15% of $1400, we convert the percentage to equivalent cash

\frac{15}{100}*1400\\=210

for the month of October, she saved $210,

total amount saved by October = $350+$560+$210=$1120

Amount saved by November=1400-1120=$280

5 0
3 years ago
X + 2y = 10
Crazy boy [7]

Answer:

(-12,11)

Step-by-step explanation:

x + 2y = 10

3x + 4y = 8

(-2)x + (-2)2y = (-2)10

3x    + 4y       = 8

-2x - 4y = -20

3x  + 4y = 8

Add to eliminate:

x = -12

Substitute x to solve y:

x + 2y = 10

(-12) + 2y = 10

-12 + 2y = 10

2y = 10 + 12

2y = 22

y = 22 ÷ 2

y = 11

Check:

x + 2y = 10

(-12) + 2(11) = 10

-12 + 22 = 10

10 = 10

8 0
3 years ago
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Please help me and answer correctly!
LenKa [72]
A^-b = 1/a^b
a^b / a^c = a^b-c
a^c / b^c =(a/b)^c

3 0
3 years ago
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