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4 years ago

Help me with this question

Mathematics

1 answer:

Rudik [331]4 years ago

7 0

Answer:

its a thrapizium.so you can find the area like this....

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If f(x) = -2(5)*, what is f(2)?

Effectus [21]

Answer:

-2(5)^2

-2(25)

-50

Step-by-step explanation:

7 0

3 years ago

A train travels a total of 38 km at a constant speed of 90 km/h.

Zarrin [17]

Answer:

25 minutes and 33 seconds

Step-by-step explanation:

please brainiest

5 0

3 years ago

You plant a rectangular rose garden along the side of your garage. You enclose 3 sides of the garden with 40 feet of fencing. Th

solmaris [256]

Let's assume

length of rectangle =L

width of rectangle =W

You enclose 3 sides of the garden with 40 feet of fencing

so, we get

$L+2W=40$

now, we can solve for L

$L=40-2W$

we know that

area of rectangle is

$A=L*W$

$100=L*W$

now, we can plug

$100=(40-2W)*W$

now, we can solve for W

$-2W^2+40W-100=0$

we can use quadratic formula

$W=\frac{-40+\sqrt{40^2-4\left(-2\right)\left(-100\right)}}{2\left(-2\right)}$

$W=\frac{-40-\sqrt{40^2-4\left(-2\right)\left(-100\right)}}{2\left(-2\right)}$

we can take anyone value ..because both are giving positive value

first dimensions:

$W=2.929$

now, we can find L

$L=40-2*2.929$

$L=34.142$

so, length is 34.142feet

width is 2.929 feet

Second dimensions:

$W=17.071$

now, we can find L

$L=40-2*17.071$

$L=5.858$

so, length is 5.858feet

width is 17.071 feet

6 0

3 years ago

I need to fill this out for notes .

docker41 [41]

Answer:

not an answer but how do you attach images because it would be more useful

Step-by-step explanation:

5 0

3 years ago

Convert 3/5 into a percent

andrezito [222]

Divide it and get 0.6 then multiply by 100 so 60%

4 0

3 years ago

Read 2 more answers