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Sauron [17]
2 years ago
9

2x + 3 = -7 what is x ​

Mathematics
1 answer:
Shtirlitz [24]2 years ago
6 0

Answer: x=-5

Step-by-step explanation:

You would have to do the inverse to “undo” the equation.

So first you would do -7-3=-10

Then you would do -10/2=-5 to find x

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marishachu [46]
Kathy can make 2 doll dresses
5 0
3 years ago
Lonnie plans to join the gym. He must pay a $35 membership fee. He will
mash [69]

Answer:

5

Step-by-step explanation:

The slope will be the constant amount that the cost increases by each month.

In this situation, 5 is the slope, because he has to pay $5 each month.

35 is not the slope, and is instead the y intercept. This is because this is the cost at 0 months, since it is the membership fee.

So, the correct answer is 5.

4 0
3 years ago
A ladder leaning against a building makes an angle of 65 degrees with the ground and reaches a point on the building 20 feet abo
lesya692 [45]
22 feet. Using the sine rule theory: 20/sin(65)=x/sin(90). You know that it's 90 degrees because you assume the ground and the building make a 90 degree angle. So, you cross multiply and get 20sin(90)/xsin(65) and solve for x.
5 0
3 years ago
please help me- this along with the last one and many more are worth a project grade and i need to pass school- quq
Alex

Each person would get \frac{5}{8} pizza.

Solution:

Total quantity of pizza = 1\frac{7}{8}

Number of persons shared = 3

To find how much pizza would each person get:

Let us first convert  improper fraction into mixed fraction.

$1\frac{7}{8}=\frac{1\times8 + 7}{8}=\frac{15}{8}

Now divide the total quantity of pizza by the number persons shared.

$\text{Quantity of pizza each person get}=\frac{(\frac{15}{8}) }{3}

                                                    $=\frac{15}{8\times3}

                                                    $=\frac{15}{24}

Divide both numerator and denominator by 3.

                                                    $=\frac{15\div3}{24\div3}

                                                    $=\frac{5}{8}

Quantity of pizza each person get = \frac{5}{8}

Hence each person would get \frac{5}{8} pizza.

5 0
3 years ago
Choose the correct graph of the function y=-1/2√x+3+2
Bad White [126]

Find y intercept

\\ \rm\rightarrowtail y=-\dfrac{1}{2}\sqrt{x+3}+2

\\ \rm\rightarrowtail y=-\dfrac{1}{2}\sqrt{0+3}+2

\\ \rm\rightarrowtail y=\dfrac{-\sqrt{3}}{2}+2

\\ \rm\rightarrowtail y=\dfrac{4-\sqrt{3}}{2}

\\ \rm\rightarrowtail y=\dfrac{4-1.732}{2}

\\ \rm\rightarrowtail y=\dfrac{2.368}{2}

\\ \rm\rightarrowtail y=1.184

  • y intercept=(0,1.2)

Option A

5 0
2 years ago
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