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Eddi Din [679]
2 years ago
12

Help this is really hard for me, I need it rn

Mathematics
2 answers:
Ira Lisetskai [31]2 years ago
7 0

Answer:

So this is an inequality and can be easily solved if its opposite number is done with both the sides. There are some inequality rules which are:

1. when absolute values removed; the number in the oppostite side becomes negative and if negative then positive. And the signs are changed to its opposite sign. Like greater than to less than or vise versa.

2. When both the sides are divided or multiplied by a negative number the signs are changed.

I - 7b + 5 I ≤ 33

- 7b + 5 ≥ -33

- 7b + 5 - 5 ≥ - 33 - 5

- 7b ≥  - 38

-7b/-7 ≥ -38/-7

b ≤ 5.428

Brainliest pls if it was correct!

Fittoniya [83]2 years ago
6 0

- 7b + 5 \leqslant 33 \\  \\  - 7b \leqslant 33 - 5 \\  \\  - 7b \leqslant 28 \\  \\  - b \leqslant  \frac{28}{7}  \\  \\ - b \leqslant  \cancel \frac{28}{7}  \\  \\  - b \leqslant 4 \\  \\ b  \leqslant 4

Hope this helps

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Twenty percent of a number is 14. find the number
7nadin3 [17]
The answer is:   70  .
___________________________________________
Explanation:
_________________________________

(20/100) x = 14;  solve for "x".

(20/100) = 2/10 = 1/5 ; 

(1/5) x = 14

x/5 = 14 ; 

x = 14 * 5 ; 

x = 70 .  The answer is:  70 .
___________________________________
5 0
3 years ago
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The equation above shows how temperature F, measured in degrees Fahrenheit, relates to a temperature C, measured in degrees Cels
Maru [420]

If you think of the equation as an equation for a line.


y=mx+b

y

=

m

x

+

b


where


C=5/9(F−32)

C

=

5

/

9

(

F

−

32

)


or


C=5/9F−5/9(32)

8 0
3 years ago
A football is kicked vertically upward from a height of 2 feet with an initial speed of 50 feet per second. The formula h=2+50t-
Oksanka [162]

Answer: 38 feet.

Step-by-step explanation:

The equation of motion of a body thrown vertically upwards:

                                       \displaystyle\\\boxed {h=h_0+v_0t-\frac{gt^2}{2} \ \ \ \ \ (1)},

h_0=2 \ feet\ \ \ \  v_0=50\  feet\  per\  second.

Substitute in formula (1) the value t=2 c:

h=2+50*2-16*2^2\\h=2+100-16*2*2\\h=102-64\\h=38\ feet.

5 0
1 year ago
Kelly rides her bicycle from city a to city b how long is her ride ? A 70 miles B 24 miles
KATRIN_1 [288]
I think it is B (don't take me for certain cuz I don't know)
7 0
3 years ago
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A cheetah ran 230 feet in 1.932 seconds. What is the cheetah's speed in miles per hour?
Bumek [7]

Answer:

The answer to your question is speed = 81.5 mi/h

Step-by-step explanation:

Data

distance = 230 ft

time = 1.932 s

speed = ? mi/h

Process

1.- Convert the distance to mi

                1 mile ----------------- 5280 ft

                 x        ----------------- 230 ft

                 x = (230 x 1) / 5280

                 x = 0.044 mi

2.- Convert time to hours

                 1 h    ------------------ 3600 s

                  x      ------------------ 1.932 s

                        x = (1.932 x 1) / 3600

                        x = 0.00054 h

3.- Calculate the speed

speed = distance / time

-Substitution

speed = 0.044/ 0.00054

-Result

speed = 81.5 mi/h

         

4 0
3 years ago
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