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3 years ago

13

This is due Monday but I want to get it done today, because the teacher is still going to check it, and I have practicly nothing

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1 answer:

Crank3 years ago

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Find the value of x. *BRAINLIEST*<br><br> A. 10<br> B. 8.3<br> C. 7<br> D. 5

bekas [8.4K]

3x-5 is a midline of that triangle so:

$3x-5=\dfrac{1}{2}\cdot20\\\\\\3x-5=10\\\\3x=15\quad|:3\\\\\boxed{x=5}$

Answer D.

3 0

3 years ago

a cafe sells a regular cup of coffee for $1 and a large sup for $1.50. melissa and her friend buy 5 cups of coffee and spend a t

Natalija [7]

Answer:

65

Step-by-step explanation:

it is the largest cup so it is 65

3 0

2 years ago

What is the value of this expression?

Mila [183]

Answer:

1/4

Step-by-step explanation:

1)2²= 4

2)4²= 16

3)3x2/3=2

4)6+2-4/8=1/4

4 0

2 years ago

Using appropriate properties find: 2/3 × 3/4 + 3/7 × 3/4

Viktor [21]

Answer:

$\frac{23}{28}$

Step-by-step explanation:

$\frac{2}{3} \times \frac{3}{4} + \frac{3}{7} \times \frac{3}{4}$

$= > \frac{3}{4} ( \frac{2}{3} + \frac{3}{7} )$

$= > \frac{3}{4} \times \frac{23}{21}$

Reducing 3 from numerator and denominator,

$= > \frac{23}{4 \times 7} = \frac{23}{28}$

3 0

2 years ago

Classify the sequence arithmetic , geometric, or neither

Feliz [49]

Answer:

Geometric

Step-by-step explanation:

Given terms are {3, -1, 1/3, -1/9............}

If we have common difference between the terms then it is arithmetic

If we have common ratio between the terms then it is Geometric

Difference of 3 and -1 is 4

Difference of 1/3 and -1 is -4/3

Common difference it not same so it is not Arithmetic

Now we check common ratio

we divide second term by first term

first term is 3 and second term is -1

$\frac{-1}{3}$

now we check with next two terms

$\frac{\frac{1}{3}}{-1}=\frac{-1}{3}$

common ratio is -1/3

So this is Geometric

8 0

3 years ago

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