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mestny [16]
3 years ago
11

Solve the system using substitution Y = 2X – 1 4x + 3y = 7

Mathematics
1 answer:
STALIN [3.7K]3 years ago
7 0

Answer:

1,1

Step-by-step explanation:

See steps below:) I could only show half of the steps. but you can use the app photo math. It will show you all the steps.

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4-[6(3x+2)-x]+4 order of operations
weqwewe [10]

Answer:

-4 - 17x

Step-by-step explanation:

Anything enclosed in parentheses must be done first if possible.  (3x + 2) is inside two sets of parentheses, but nothing can be done with 3x + 2.  

Multiplication must be done next.  [6(3x+2)-x] becomes 18x + 12 - x, or

17x + 12.

Now we have 4 - 17x - 12 + 4.  Combining like terms through addition and subtraction, we get 4 - 12 + 4 - 17x, or -4 - 17x.

3 0
3 years ago
A box contains 3 plain pencils and 7 pens. A second box contains 9 color pencils and 3 crayons. One item from each box is chosen
Anastasy [175]
P(P then C)=(7/10)(3/12)

P(PthenC)=21/120

P(PthenC)=7/40
3 0
3 years ago
Find the least whole number that can replace _ to make the statement true _ ÷ 9 > 70
Semenov [28]
A>70*9
a>360
a should be at least 361
3 0
3 years ago
Plase help me it would mean a lot
IRINA_888 [86]

Answer:

Drink A

Step-by-step explanation:

Let's find the amount of sugar in each drink in every 35 ounces. (since 35 is the lowest common multiple of 5 and 7)

<u>Drink</u><u> </u><u>A</u>

5 fluid ounces --- 11g of sugar

35 fluid ounces --- 11 ×7= 77g of sugar

<u>Drink</u><u> </u><u>B</u>

7 fluid ounces --- 10g of sugar

35 fluid ounces --- 10 ×5= 50g of sugar

Since drink A has more sugar in every 35 ounces than drink B, drink A is sweeter.

6 0
3 years ago
24 dived by 7=what is the remainder
motikmotik
3 is the remainder because the closest is 7 times 21 so it’s remainder 3
7 0
4 years ago
Read 2 more answers
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