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satela [25.4K]
3 years ago
12

The area of the triangle is 1560 m2TrueFalse

Mathematics
1 answer:
ValentinkaMS [17]3 years ago
8 0

Answer:

FALSE

Step-by-step explanation:

Area of triangle is given by formula :

Area\ =\ \frac{1}{2}\left(base\right)\left(Altitude\right)

From picture we see that Altitude = 60 m

Base = 52 + 71 = 123 m

Now plug these values into above formula:

Area\ =\ \frac{1}{2}\left(123\right)\left(60\right)

Area\ =\ \frac{1}{2}\left(15129\right)

Area\ =\ \frac{15129}{2}

Area\ =\ 7564.5

Which is different than given area 1560 m^2.

Hence answer is FALSE.

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Solve the inequality for x.<br> 7x-26&lt;-5(2-3x)
Masja [62]

Answer:

x > 2

Step-by-step explanation:

7x-26<-5(2-3x)

first write out the equation

7x-26<-10 +15x

then solve the -5(2-3x)

by multiplying -5 by 2 and -5 by 3x which will give the answer -10 and 15x

7x-15x<-10+26

Now put the numbers with X first and since we moved the (+15x) into the otherside we change its sign to (-15x)

and because we put the (-26) into the otherside we do the same thing and change it into (+26)

-8x<16

Now we combine the same numbers so 7x-15x and -10+26

Next we divide both sides by (-8)

so (-8x÷-8) and (16÷-8)

and because we divided with a negative number (-8)

and we have an inequality( < ) we flip the sign from smaller than to greater than.

and so the final answer is x>2

or x is greater than 2

7 0
3 years ago
Determine whether the sequence is geometric. If so, find the common ratio. 3.0, 6.0, 12.0, 24.0
Luba_88 [7]

Answer:

The sequence <u>is</u> geometric and the common ratio is 2

Step-by-step explanation:

A sequence is geometric if each term  (after the first one) is equal to the term before it times some constant number, called the 'common ratio'.

Examples:  1, 2, 4, 8, 16, ... has a common ratio of 2 because 2*2 = 4, and 4*2 = 8, and so on.

                 Also, -->  4, 2, 1, 1/2, 1/4/ 1/8, ... has a common ratio of 1/2 because

4 * 1/2 =  the next term 2, and 2 * 1/2 = the next trem 1/4, and son on.

In this case, 3 * 2 = 6

                    6 * 2 = 12

                    12 * 2 = 24

The sequence <u>is</u> geometric and the common ratio is 2

6 0
2 years ago
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Sliva [168]

Answer: the answer is 46

Step-by-step explanation:

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2 years ago
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Zinaida [17]
Each teacher has 25 students. 75/3 would be 25. I hope this helped!
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3 years ago
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Dimas [21]

Answer:

300

Step-by-step explanation:

75 multiplied by 4 is 300

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