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ValentinkaMS [17]
3 years ago
7

PLEASE HELP.

Mathematics
2 answers:
LenaWriter [7]3 years ago
6 0
Let the area equal in composite form
½bh + LB + ½bh
= ½(1×4) + (7×4) + ½(1×4)
= 2 + 28 +2
= 32 square feet
D is ur answer
vovikov84 [41]3 years ago
5 0
It would be 36 units, why is that not an answer choice?

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In the function y=3x+2, what is the value of y when x=-1/2?
Lena [83]

Answer:

y=3. (-1)-1

y= -3-1

y= -4

Step-by-step explanation:

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3 years ago
PLEASE HELP ME Determine the premiter of the figure . Use 3.14 for PI Round to the nearest tenth. Numbers are 10 in and 15in​
densk [106]

Answer:

5\pi+40

Step-by-step explanation:

perimeter of circle=2\pir

so 5 is r(radius)

so 10\pi, but since it’s semicircle, you have to divide by 2, so

5\pi

perimeter of rectangle=15+10+15 because you don’t count the inside, so that equals 40

so 5\pi+40

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2 years ago
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11111nata11111 [884]
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3 years ago
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artcher [175]
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2 years ago
p varies jointly as q and the square of r, and p = 200 when q = 2 and r = 3. Find p when q = 5 and r= 2.
Margarita [4]

Step-by-step explanation:

If a variables varies jointly, we can just divide it by the other variables in relation to it.

For example, since p variables jointly as q and square of r, then

\frac{p}{q {r}^{2} }  = k

where k is a constant

First, let find k. Substitute p= 200

q= 2, and r=3.

\frac{200}{2(3) {}^{2} }  = k

\frac{200}{18}  = k

\frac{100}{9}  = k

Now, since we know our constant, let find p.

\frac{p}{q {r}^{2} }  =  \frac{100}{9}

Q is 5, and r is 2.

\frac{p}{5( {2}^{2}) }  =  \frac{100}{9}

\frac{p}{20}  =  \frac{100}{9}

p =  \frac{2000}{9}

3 0
1 year ago
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