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1 year ago

Anyone kno number 10

Mathematics

2 answers:

deff fn [24]1 year ago

6 0

Answer:

It's A

you multiply the 18ft by the 25ft and get 450 then divide that by 20 which gives you your missing number which is 22.5ft

QveST [7]1 year ago

3 0

We Can’t Really See It

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Please help I don't understand

aniked [119]

Answer:

The expression can be written as:

5(2) + 6(3) + 2(4).

if I'm wrong, please tell me

5 0

1 year ago

HELP ME IM SO CONFUSED

givi [52]

Answer:

1) 4812 students
2) 763 pounds
3) $30906.76

Step-by-step explanation:

Initial number = 2988
Rate of increase = 10%

Number of students after 6 years:

$a_6 = 2988(1+0.1)^{6-1} = 4812$

Initial number = 1200
Rate of decrease = 14%

Amount of gold after 4 years:

$a_4=1200(1-0.14)^3 = 763$

Initial number = 28000
Rate of increase = 2.5%

Salary after n years:

$a_n=28000(1+0.025)^{n-1} = 28000*1.025^{n-1}$

Salary in the 5th year:

$a_5=28000*1.025^4 = 30906.76$

6 0

1 year ago

Read 2 more answers

Find the discriminant of the following quadratic equation then state the number of rational, irrational, and imaginary solutions

lianna [129]

Answer:

-6x² - 6 = -7x - 9
-6x² + 7x - 6 + 9 = 0
-6x² + 7x + 3 = 0
6x² - 7x - 3 = 0

Discriminant:

D = (-7)² - 4*6*(-3) = 49 + 72 = 121

Since D > 0, there are 2 real solutions:

x = (- (-7) ±√121 )/12
x = (7 ± 11)/12
x = 1.5, x = -1/3

8 0

2 years ago

Read 2 more answers

Distributive Property Find what is x.

andreev551 [17]

A) -9

-7(x+9)=9(x-5)-14x
-7x-63=9x-45-14x
-45 -45
-7x-18=9x-14x
+7x +7x
-18=9x+7x-14x
-18=2x
(-18)/2=(2x)/2
-9=x

8 0

2 years ago

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leonardo recorded his speed while skateboarding and determined he was traveling 18 feet per second. how many feet could he trave

Effectus [21]

All you need to do is multiply 18*60 = 1080 feet per minute, which is really fast.

7 0

2 years ago