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3 years ago

1 foot = 12 inches therefore 5 feet = what

Mathematics

2 answers:

lianna [129]3 years ago

6 0

Answer:

60 inches

Step-by-step explanation:

1 foot = 12 inches

5 feet = ?

5*12 = 60

Oliga [24]3 years ago

5 0

$1\cdot \text{foot} = 12\cdot \text{inches} \implies 5 \cdot\text{foot} =5\cdot 12 \cdot\text{inches} \implies 5 \cdot\text{foot} =60 \cdot\text{inches}$

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Use the quadratic formula to solve the equation x^2-7x-6=0

olganol [36]

Answer:

$\frac{7\pm\sqrt{73}} {2}$

Explanation:

We have been given with the quadratic equation $x^2-7x-6=0$

We have general formula to find the roots of a quadratic equation first we find the discriminant with formula

$D=b^{2}-4ac$

and after that to find the variable suppose x we have the formula

$x=\frac{-b\pm\sqrt{D}} {2a}$

And general quadratic equation is

$ax^2+bx+c=0$

On comparing the given quadratic equation with genral quadratic equation we will have values

a=1, b=-7 and c=-6

After substituting these values in the formula we will get

$D=(-7)^2-4(1)(-6)={73}$

After substituting in the formula to find x we will get

$\frac{-(-7)\pm\sqrt{73}} {2}= \frac{7\pm\sqrt{73}} {2}$

4 0

3 years ago

Read 2 more answers

If the cost of 10 tables is $750. Find the number of tables that can be purchased with $8250.

Luden [163]

Your answer is 110. You take 10 and divide it by 750. = 75 then you take 75. Divided 8250. = 110

4 0

2 years ago

160 bananas; 20% decrease

Kay [80]

First you turn 20% into a decimal by dividing by 100 and you get .20
then you multiply .20 by 160 and get 32
then subtract:
160-32=128
So if you have 120 bananas and you have a 20% decrease then you would have 128 left over

Hope this helped!! :D

3 0

3 years ago

Somebody pls help me with this question pls

monitta

292in^3
3x6x10=180 because I’ve split the shape in half
7x4x4=112
180+112=292

4 0

1 year ago

I nedd help please.....

oksian1 [2.3K]

(-3,4)(0,-3)
slope = (-3 - 4) / (0 - (-3) = -7/3 <=

3 0

3 years ago