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nordsb [41]
3 years ago
8

HIII PLEASE PLEASE HELP

Mathematics
1 answer:
Solnce55 [7]3 years ago
4 0

8. length is 4 feet

9. width is 8 inches

20. this one could be l=6 and w=8 or l=4 and w=12 because I don't know which side of the rectangle her garage is

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pls help me asap and fast and for every question, you have to explain to me how you got the answer the one who did all of the wi
shtirl [24]

Answer:

180-12-35

----------

30

= 133

----------

30

3×2×1

----------

2 × 2

=6/4

=3/2

6(2÷3/5)

=6(10/3)

=20

5 0
3 years ago
Which points are generated by the function y = -5x + 2? Check all that apply. (2, 8) (2, -8) (13, 3) (3, -13)
Zanzabum
(2,-8) (3,-13) because if you plug them all in there the only ones that come out right 

4 0
3 years ago
Read 2 more answers
At what values of x does f(x) = x^3 - 2x^2 -4x+1 satisfy the mean value theorwm on [0,1]
denis-greek [22]

Answer:

x=1/3

Step-by-step explanation:

A function f is given as

f(x) = x^3-2x^2-4x+1 in the interval  [0,1]

This function f being an algebraic polynomial is continuous in the interval [0,1] and also f is differntiable in the open interval (0,1)

Hence mean value theorem applies for f in the given interval

f(1) = 1-2-4+1 = -4\\f(0) = 1

The value

\frac{f(1)-f(0)}{1-0} =\frac{-4-1}{1} =-5

Find derivative for f

f'(x) = 3x^2-4x-4

Equate this to -5 to check mean value theorem

3x^2-4x-4=-5\\3x^2-4x+1=0\\\\(x-1)(3x-1) =0\\x= 1/3 : x = 1

We find that 1/3 lies inside the interval (0,1)

4 0
3 years ago
Jackie has 10 groups of pennies with 3 pennies in each group. Carlos has 5 groups of pennies with 100 pennies in each group. Who
Tcecarenko [31]
Answer=Carlos

If Jackie has 10 groups, with 3 in each groups, she has 30 total pennies.

10*3=30 pennies

If Carlos has 5 groups with 100 in each group, then Carlos has 500 pennies.

5*100=500 pennies

500 pennies is more than 30 pennies, so Carlos has more pennies
8 0
3 years ago
Read 2 more answers
I need help guys. please help me idk it
vlada-n [284]
Solving inequalities is almost the same as solving equalities for basic cases. Only thing you've to watch out for is signs.
For example, in 2x + 3 > 5,
We may subtract 3 from both sides,
2x > 2
Hence, by dividing both sides by 2, we get x>1.

The inequality sign changes on multiplying with (-)
For example, 2 < 6
But, -2 > -6

And when you interchange a fraction
E.g. 3/4 > 2/3
But, 4/3 < 3/2

You can now solve these of your own
Try yourself
4 0
3 years ago
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