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Serga [27]
3 years ago
9

What is the product of x squared plus 3x minus 40

Mathematics
2 answers:
My name is Ann [436]3 years ago
6 0
TWENTY ONE BA DUM DUM DUM
sergejj [24]3 years ago
6 0
There are two solutions: 8 and -5
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Explain your answer !! <br> Have a nice day <br><br> Will give braisnlt
11111nata11111 [884]

Answer:

The price of hot dog is $2.5 and that of a pretzel is $1.25.

Step-by-step explanation:

Let the cost of hotdogs be x and that of pretzels be x.

So,

4x+3y = 13.75 ...(1)

and

2x+5y = 11.25 ...(2)

Multiply equation (2) by 2.

4x+10y = 22.5 ...(3)

Subtract equation (1) from (3).

4x+10y-(4x+3y) = 22.5-13.75

4x+10y-4x-3y = 8.75

7y = 8.75

y = 1.25

Put the value of y in equation (1).

4x+3(1.25) = 13.75

4x+3.75 = 13.75

4x = 13.75-3.75

4x = 10

x = 2.5

So, the price of hot dog is $2.5 and that of a pretzel is $1.25.

3 0
3 years ago
Which of the following statement must be true?I WILL MARK THE BRAINIEST
Anettt [7]

Answer:

d) XY > RS

Step-by-step explanation:

When comparing triangles, the angle opposite to the side in question determines the length. In this case 99 is greater than 75. Since XY is the side opposite to 99, it is the larger side

5 0
3 years ago
Which one is it? Pls help. I’ll mark brainlist (Pls ignore what I chose)
Marianna [84]

Answer:

A.

Step-by-step explanation:

i think

4 0
3 years ago
The table of values below represents a linear function and shows Marco’s progress as he is pumping gas into his car. What is the
german

Answer:

3 gallons

Step-by-step explanation:

Given

Seconds Spent ----- Gallons of Gas

0 ---------------------------- 3

12 -------------------------- 5

24 ------------------------- 7

36 ------------------------- 9

48 ------------------------ 11

Required

Determine the output of the initial value

From the given parameters, we have that:

Gallon of gas is a function of time spent

This means:

The input is the time spent while the output is the gallon of gas

From the table above,

Initial Value = 0 seconds

The corresponding output of this is 3 gallons

Hence;

<em>Option C answers the question.</em>

5 0
3 years ago
Read 2 more answers
Help please, please
alexira [117]
Since they’re in the same place you would do for 4 X -3 equals 115 and take it from there then you would find your answer and you may have to subtract it by 180
4 0
3 years ago
Read 2 more answers
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