3 years ago

Which would be the right answer???

Mathematics

1 answer:

Karo-lina-s [1.5K]3 years ago

5 0

Answer:

The correct answer would be 10ft

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for a field trip 4 students rode in cars and the rest filled nine buses. how many students were in each bus if 472 students were

Lemur [1.5K]

The answer is 52

x - the number of students in a bus

4 + 9x = 472
9x = 472 - 4
9x = 468
x = 468 / 9
x = 52

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3 years ago

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What is the sum of the first 6 terms of this geometric sequence? –4, –16, –64, –256, …

MatroZZZ [7]

$a_1=-4;\ a_2=-16;\ a_3=-64;\ a_4=-256;\ ...\\\\r=\dfrac{a_{n+1}}{a_n}\to r=\dfrac{a_2}{a_1}\to r=\dfrac{-16}{-4}=4$

The formula of the sum of a geometric sequence:

$S_n=a_1\cdot\dfrac{1-r^n}{1-r}$

We have:

$a_1=-4;\ n=6;\ r=4$

substitute:

$S_6=-4\cdot\dfrac{1-4^6}{1-4}=-4\cdot\dfrac{1-4096}{-3}=-4\cdot\dfrac{-4095}{-3}=-4\cdot1365=-5460$

Answer: C. -5460

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3 years ago

What is the measure of angle XWY?

motikmotik

According to the vertical angle theorem when two lines intersects each other, the vertical angles that are formed are congruent to each other.

So, angle XWY is 74 degrees.

Hope this helps! Mark as Brainliest please! :)))

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3 years ago

A number decreased by the sum of the number and seven. what is the algebraic expression?

Aleks04 [339]

The answer would be x-(7+x)

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2 years ago

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A tutor charges $30 for 5 6 of an hour. What is her hourly rate?

uysha [10]

Answer:

The answer is 36

Step-by-step explanation:

30 times 6 equals 180

180 divided by 5 equals 36

answer 36

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3 years ago