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Umnica [9.8K]
3 years ago
5

Jennifer is saving money to buy a bike. The bike costs $282. She has $128 saved, and each week she adds

Mathematics
2 answers:
forsale [732]3 years ago
6 0
It will take her about 17 minutes because of gravity within the radius
Gelneren [198K]3 years ago
4 0

Answer:

11  weeks

Step-by-step explanation:

$282 = $128 + 14w

$282 -$128 = $14w

            $<u>154</u> = $<u>14w</u>

                14 =     14

                 11 = w

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The angle of elevation of the sun is 24°. What is the length of the shadow cast by a person 1.82 m tall?
amm1812

Answer:

4.09 m

Step-by-step explanation:

Let the length of the shadow cast by a person be x m.

\tan \: 24 \degree =  \frac{height \: of \: person}{length \: of \: the \: shadow}  \\  \\ 0.4452286853 =  \frac{1.82}{x}  \\  \\ x =  \frac{1.82}{0.4452286853}  \\  \\ x = 4.08778693 \: m \\ x = 4.09 \: m

7 0
3 years ago
Which linear equation can be used to represent a line perpendicular to Line W passing through point (-3,-2)?
klio [65]

Answer:

D) y =   -2

The equation of the perpendicular line to the given line is  y = -2

Step-by-step explanation:

<u><em>Explanation:-</em></u>

Given point (-3,-2)

In graph the equation of line  x = 8 ( parallel to y- axis )

                              1 x + o y - 8 =0

The equation of the perpendicular line to the given line  

                        b x - a y + k =0

                       o x - 1 y + k =0 ...(i)

The equation (i) is Paases through the point ( -3,-2)

                        0 ( -3) -1(-2) + k =0

                               2 + k =0

                                     k = -2

∴<em>The equation of the perpendicular line to the given line  is </em>

<em>      put k = -2 in equation (i)    </em>

                        o x - 1 y + k =0

                      - y +(-2) =0

                       - y = 2

                         y = -2

<u><em>Final answer:-</em></u>

∴The equation of the perpendicular line to the given line is  y =-2

3 0
2 years ago
Let f(x) = -6x + 3 and g(x) = 5x + 4. Find and state its domain.
ollegr [7]
The domain <span> of a </span>function<span> is the set of "input" or argument values for which the </span>function is defined.<span>The domain is all the values that </span>x<span> is allowed to take on. 

The domain of the function   </span><span>f(x) = -6x + 3 are all real numbers. 

The domain of a function g(x) = 5x + 4  are also all real number.</span>
4 0
3 years ago
Sale Price: On opening day, a new music store offers a 16% discount on all electric guitars. If the regular price on a guitar is
svetoff [14.1K]
This can be done easily in a few ways. One, you could do equivelent fractions as this. 16 percent is the same as 16 over 100, or, 16/100, 100 being the total with an = sign with X over 550, or, X/550. you can multiply 16 by 500 and divide by 100 to get $88. Or you could do it my way, (prefered way). take the $550, divide it by 100, then multiply by 16 and get $88. either way you do this, you take away the $88 from $550 and get the sale price of [Drumroll please...]
<em><u>462 Dollars!</u></em>





6 0
3 years ago
(a)It takes 29 pounds of seed to completely plant a 4 -acre field. How many acres can be planted per pound of seed?
asambeis [7]
(a) You can plant 7 1/4 acres per pound of seed
(b) Isabel takes 7 minutes to run a mile
5 0
3 years ago
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