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3 years ago

How do you find slope

Mathematics

1 answer:

AnnZ [28]3 years ago

7 0

M= rise/run
Or
M= y2 - y1/x2 - x1

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Anastasia took a math test and scored 153 points which was 90% of the total possible points. How many possible points were on th

Ronch [10]

Answer: 170

Step-by-step explanation: 170x90% (0.9) = 153

7 0

3 years ago

What is the value of RT or x

Anna007 [38]

Write and solve an equation of ratios:

x 9

---- = ----

16 x

Cross mult., we get x^2 = (16)(9)

Taking the sqrt of both sides, we get x = plus or minus (4)(3), or

x= plus or minus 12

Since x is measure of distance here, omit the -12 result. x = +12 units

7 0

3 years ago

which expression is equivalent to (^3sqrtm)^7 in exponential form? a) 7 m/3 b) 3 m/7 c) m 3/7 d) m 7/3

Komok [63]

$(\sqrt[3]{m})^{7} = m^{ \frac{7}{3}}$

5 0

3 years ago

The landing for the steps leading up to a county courthouse is shaped like a trapezoid. The area of the landing is 1500 square f

77julia77 [94]

Answer:

The length of the longer base is 80 feet.

Step-by-step explanation:

We are given that county courthouse is shaped like a trapezoid.

Let the height of the court house be h

Since we are given that The shorter base of the trapezoid is 15 feet longer than the height.

So, the shorter base = h+15

We are also given that The longer base is 5 feet longer than 3 times the height

So, longer Base = 3h+5

Now we are also given that the area of the landing is 1500 square feet.

Formula of area of trapezium :

= $\frac{1}{2} *(\text{Length of longer base}+\text{Length of shorter base})*height$

Substituting the values .

$1500=\frac{1}{2} *(h+15+3h+5)*h$

$1500=\frac{1}{2} *(4h+20)*h$

$1500*2=(4h+20)*h$

$3000=4h^2+20h$

Taking 4 common from the equation.

$750=h^2+5h$

$h^2+5h-750=0$

$h^2-25h+30h-750=0$

$h(h-25)+30(h-25)=0$

$(h-25)(h+30)=0$

⇒ h = 25, -30

Neglect the negative value .

So, height = 25 feet.

Length of Longer base = 3h+5 =3*25+5=80 feet

Hence , the length of the longer base is 80 feet.

6 0

3 years ago

14 is 7 times a number c

Stolb23 [73]

Answer:

c = 2

Step-by-step explanation:

From the statement we have that If 14 is 7 times a number c, we can write the following equation:

7c = 14. Solving for c, we have:

c = 14/7 = 2

3 0

3 years ago