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ser-zykov [4K]
3 years ago
9

Find the required measurements of the following trapezoids. a = 8 cm b = 16 cm h = 10 cm

Mathematics
1 answer:
kati45 [8]3 years ago
5 0
The area of a trapezoid is:

A=h(b1+b2)/2, in this case h=10, b1=8, and b2=16 so:

A=10(8+16)/2 cm^2

A=120 cm^2
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Find the 7 term of the Gb 2 , -6 , 18
Maslowich

Answer:

<h3>The 7th term is 1458</h3>

Step-by-step explanation:

For a geometric sequence

U(n) = ar^n - 1

Where

n is the number of terms

r is the common ratio

a is the first term

From the sequence

a = 2

r = - 6 /2 = -3

U(n) = 2(-3) ^ n - 1

For the 7th term

U(7) = 2(-3) ^ 7 - 1

= 2(-3)^6

The final answer is

= 1458

Hope this helps you

3 0
2 years ago
Exit Ticket
miskamm [114]

Throughout this, I'm assuming that the scale is: 1 square = 1

Not 100% sure if my answers are correct.

Question 1:

The x coordinate must be 2 and the y coordinate must be -1.

Question 2:

The x coordinate would be -2 and the y coordinate would be -1.

4 0
2 years ago
The sum of a number times 8 and 21 is less than -16.
vodka [1.7K]

Hello.

First of all, let the number be t.

8 times t can be written like this:

\mathrm{8t}

Notice that the number is before the variable and the times sign (×) is not there.

We can write it as 8×t, but we usually write it as 8t.

The sum of means we add:

8t+21

Now, "less than" is "<" :

\mathrm{8t+21 < -16}

Therefore, the answer is

\mathrm{8t+21 < -16}

I hope it helps.

Have a nice day.

\boxed{imperturbability}

7 0
2 years ago
Sorry this is the last one! Help for brainliest answer
laila [671]

Answer:

5, 6, 9, 15

Also:

Plz mark me brainliest :)

6 0
2 years ago
Read 2 more answers
bacteria colonies can increase by 73% every 2 days. if you start with 150 bacteria microorganisms, how large would the colony be
slavikrds [6]

Using an exponential function, it is found that the colony will have 1344 bacteria after 8 days.

<h3>What is an exponential function?</h3>

An increasing exponential function is modeled by:

A(t) = A(0)(1 + r)^t

In which:

  • A(0) is the initial value.
  • r is the decay rate, as a decimal.

Considering the initial amount of 150, and the growth rate of 73% each 2 days, the equation is given by:

A(t) = 150(1.73)^{\frac{t}{2}}

Hence, after 8 days, the amount of bacteria is given by:

A(8) = 150(1.73)^{\frac{8}{2}} = 1344

More can be learned about exponential functions at brainly.com/question/25537936

#SPJ1

6 0
2 years ago
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