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aliina [53]
3 years ago
6

The area of a trapezoid is 36 in.² the height is 4 inches and one bases twice the length of the other place what are the lengths

of the bases
Mathematics
1 answer:
kolezko [41]3 years ago
4 0
10  of each of the other sides but the last one is 2 inches

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The first two terms of an arithmetic sequence are 7 and 4. Find the 7th term.
kobusy [5.1K]

EXPLANATION

If the first two terms of an arithmetic sequence are 7 and 4, then we know that an arithmetic sequence has a constant difference d and is defined by

a_n=a_1+(n+1)d

Check wheter the difference is constant:

Compute the differences of all the adjacent terms:

d=a_{n+1}-a_n

Replacing terms:

4-7 = -3

The difference between all of the adjacent terms is the same and equal to

d = -3

The first element of the sequence is

a_1=7a_n=a_1+(n+1)d

Therefore, the nth term is computed by

d= -3

a_n=7+\text{ (n-1)}\cdot(-3)

Refine

d= -3 ,

a_n=-3n+10

Now, replacing n=7

a_7=-3\cdot7+10\text{ = -11}

So, the answer is -11.

8 0
1 year ago
Express the decimal 2.39 as a percent. <br> A. 23.9% <br> B. 240% <br> C. .239% <br> D. 239%
Assoli18 [71]
Solve:-

2.39 = decimal

2.39 × 100 = 239
239%

2.39 = C. 239%
6 0
3 years ago
Read 2 more answers
Find the value of the missing variables.
dsp73

Answer:

x^{\circ}=35^{\circ}\\ \\y^{\circ}=55^{\circ}

Step-by-step explanation:

The measure of arc which the right triange cuts from the circle is 70^{\circ}, this means the central angle has the same measure.

Angle with measure x^{\circ} is inscribed angle subtended on the given arc. Its measure is half the measure of the central angle, hence

x^{\circ}=\dfrac{1}{2}\cdot 70^{\circ}=35^{\circ}

Angles with measures x^{\circ} and y^{\circ} are complementary angles (add up to 90°), so

y^{\circ}=90^{\circ}-35^{\circ}=55^{\circ}

6 0
3 years ago
Which object has the mass of about one kilogram?
Step2247 [10]

Answer:

A book about a mass of 1 kilogram, but that isn't the only answer.

Explanation:

There's many objects with a mass of one kilogram like one liter of water, a pineapple, bag of sugar etc.

7 0
3 years ago
Waiting times to receive food after placing an order at the local subway sandwich shop follow an exponential distribution with a
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4 0
3 years ago
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