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Reika [66]
4 years ago
10

Solving Systems by Eli mmm ination with Multiplication: 8x+7y=20 and 4x-4y=-20

Mathematics
1 answer:
wolverine [178]4 years ago
6 0
Not sure what Eli mmm ination with Multiplication is, but here’s the answer worked out how I would work it if I looked at the problem
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You go out to eat with your family. The subtotal on your bill is $45.90. You must pay a 8% sales tax AND you would like to leave
Eddi Din [679]

Answer:

The answer is 57.83

Step-by-step explanation:

find 8% of 45.90 and add 18% of 45.90 and add them together.

8%*45.90=3.67

18%*45.90=8.26

Add, 45.90+8.26+3.67

The final price of your meal is 57.83

7 0
4 years ago
What is the answer to y=x^2+6x+5
BARSIC [14]

Answer:

-5 and -1

Step-by-step explanation:

Factoring, we get y = (x+5)(x+1)

So x = -5 or -1

Or, you could've used the quadratic formula, thought it is slower.

3 0
3 years ago
Read 2 more answers
The number of gallons of gas Connie’s car, g, uses is directly proportional with the number of miles she drives, m. Last week, s
stellarik [79]

The equation which represent the problem is 14.5 = 469.8k.

<h3>What is Equation?</h3>

An equation is a mathematical statement with an 'equal to =' symbol between two expressions that have equal values.

Here, As given in question

The number of gallons of gas Connie’s car, g, uses is directly proportional with the number of miles she drives, m.

                                    g α m

                                     g = km     ............(i)

g = 14.5 gallons of gas          m = 469.8 miles

                                  14.5 = k X 469.8

                                  14.5 = 469.8k

Thus, the equation which represent the problem is 14.5 = 469.8k.

Learn more about Equation from:

brainly.com/question/2263981

#SPJ1

6 0
2 years ago
Write and solve a real world problem that involves using the properties of congruent figures to find a missing measure
IrinaK [193]
A farmer has a pen that is 33 ft by 58 ft. what is the total amount of feet the farmer's pen will be. Answer) 7656ft.
7 0
3 years ago
Please help me with this!!
larisa86 [58]

Answer:

Step-by-step explanation:

b/c these are similar triangle we can say this ratio of the two triangles is true

15/x = 31/(44+x)

now just use algebra to solve for x

15*(44+x) = 31x

660+15x = 31x

660=16x

41.25 =x

41.3  looks good

6 0
3 years ago
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