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mrs_skeptik [129]
3 years ago
8

Help will give brainliest

Mathematics
2 answers:
stepladder [879]3 years ago
8 0

Answer:

8

Step-by-step explanation:

Step 1: Find # of gender toys

80(0.4) = 32 toys for boys

80 - 32 = 48 toys for girls

Step 2: Find % made

32(0.5) = 16 toys made (boys)

48(0.5) = 24 toys made (girls)

Step 3: Find the difference

24 - 16 = 8

horrorfan [7]3 years ago
7 0

Answer:

8

Step-by-step explanation:

i don’t have time now but i promise i’ll give it when i have time

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An object is propelled upward from the top of a 300 foot building. The path that the object takes as it falls to the ground can
serg [7]

Answer:

As per the statement:

The path that the object takes as it falls to the ground can be modeled by:

h =-16t^2 + 80t + 300

where

h is the height of the objects and

t is the time (in seconds)

At t = 0 , h = 300 ft

When the objects hit the ground, h = 0

then;

-16t^2+80t+300=0

For a quadratic equation: ax^2+bx+c=0         ......[1]

the solution for the equation is given by:

x = \frac{-b\pm \sqrt{b^2-4ac}}{2a}

On comparing the given equation with [1] we have;  

a = -16 ,b = 80 and c = 300

then;

t= \frac{-80\pm \sqrt{(80)^2-4(-16)(300)}}{2(-16)}

t= \frac{-80\pm \sqrt{6400+19200}}{-32}

t= \frac{-80\pm \sqrt{25600}}{-32}  

Simplify:

t = -\frac{5}{2} = -2.5 sec and t = \frac{15}{2} = 7.5 sec

Time can't be in negative;

therefore, the time it took the object to hit the ground is 7.5 sec

8 0
3 years ago
Maria took a math test last week. The table shows how many questions she answered correctly and incorrectly.
pashok25 [27]

Answer:

Step-by-step explanation:

Maria had a test with 20 questions

if 17 are correct,

20 questions................................100%

17 questions................................?%

she was 85% right

5 0
3 years ago
Daisy works at an ice-cream parlor. She is paid $10 per hour for the first 8 hours she works in a day. For every extra hour she
tester [92]

Answer:

The expression giving her net earnings for a day with more than 8 hours worked is X = 80 + 15H, where H means "extra hours worked".

Step-by-step explanation:

Given that Daisy works at an ice-cream parlor earning $10 per hour for the first 8 hours she works in a day, and 1.5 times her hourly wage for every extra hour she works, in order to know how much can she make in a day working more than 8 hours the following equation has to be made:

X = (8 x 10) + (H x (1.5 x 10))

X = 80 + 15H

Therefore, if Daisy works 13 hours, the equation works as follows:

X = 80 + 15x13

X = 80 + 195

X = 275  

3 0
3 years ago
E<br>e<br>e<br>e<br>e<br>e<br>eeeeeeeeeeeeeeeeeeeeeee
Tcecarenko [31]

Answer:

eeeeeeeeeeeeeeeeeee

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
What is the value of the function when x = 3?<br><br> x −2 −1 1 3 4<br> y 4 3 6 5 8
Anon25 [30]
It tells us that:

(-2,4)
(-1,3)
(1,6)
(3,5)
(4,8)

Look at (3,5) ... it tells us that x = 3 and y = 5

So y = 5
6 0
3 years ago
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