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olga nikolaevna [1]
3 years ago
7

Can you help me with this...thank you​

Mathematics
2 answers:
tangare [24]3 years ago
6 0

Answer:

a=\frac{1}{2}\times \: h(a+b)

\frac{1}{2 }  \times 9(18 + 24)

24 + 18=42

=  \frac{1}{2}  \times 9(42)

\frac{1}{2}  \times 378

=189cm²

Step-by-step explanation:

just use the formula but I'm not sure if my calculation is correct lol

mr_godi [17]3 years ago
3 0
You solve by with by altitude! Hope it helps
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130-y=224<br> solve for y
vichka [17]

Answer:

Y = -94

Step-by-step explanation:

130 - y = 224     -subtarct 130

-y = 94        -multiply by -1

y = -94

Hope this helps. Pls give brainliest.

4 0
3 years ago
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Herbert plans to use the earnings from his lemonade stand according to the table above, for the first month of operations. If he
FinnZ [79.3K]

Table is attached below

From the table we can see that the Lemon cost is equal to 35% of the expenses

Let the expense be x, Lemons cost is 70

Lemon cost = 35% * x

70 = 35% * x ( 35% = \frac{35}{100} = 0.35)

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x = \frac{70}{0.35}

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5 0
3 years ago
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In Mrs. Benton's algebra class, a student who has an average of 94 for the last grading period of the year is anarded a summe
Delvig [45]

Answer:

I Think the answer should be (B)

Let me know if its correct.

Step-by-step explanation:

when you average it you only use the final number of the scores for example 94 the last number is 4.

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= 10.04

8 0
3 years ago
F(x)=3x+5 over x , what is f(a+2)
Fed [463]

<u>Answer</u>

F(a+2) = (3a+11)/(a+2)


<u>Explanation</u>

F(x) = (3x + 5)/x


If you are to find F(a+2), you replace x with (a+2)


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4 0
3 years ago
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