3 years ago

What type of angle is this

Mathematics

1 answer:

Arada [10]3 years ago

7 0

Answer:

they're both obtuse angles, the ones highlighted in red.

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Scores are 78,81,83, and 76 what must she earn on the fifth test to earn an average test score of 81

iogann1982 [59]

The average value of a data set is equal to the sum of each entry divided by the number of entries. In this case, we have 5 scores, so we can find set up the following equation where x is the fifth score:

$\dfrac{78+81+83+76+x}{5} = 81$

Now solve for x:

$78 + 81 + 83 + 76 + x = 81(5)$

$318 + x = 405$

$x = 87$

The fifth score must be 87.

6 0

3 years ago

Read 2 more answers

Consider the given function.

Natali5045456 [20]

Answer:

Step-by-step explanation:

f(x) = x^2 -14x -72

0=x^2 - 14x-72

0=x^2 - 18x+4x-72

0=x(x-18)+4(x-18)

0=(x-18)(x+4)

x-18=0 or x+4=0

x1=18 or x2=-4

asis of symmetry: x=(x1+x2)/2

x=(18+(-4))/2

x=14/2

x=7

3 0

3 years ago

A spool of ribbon holds 6.75 meters.A craft club buys 21 spools. What is the total cost if the ribbon sells for $2 per month

dangina [55]

6.75 x 21 = 141.75

141.75 x $2 = $283.50

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3 years ago

0 3 8 15 24 35... What is the next value? The choices are 46, 48, 52, and 59.

Leto [7]

The next value would be 48. The values keep increasing by odd numbers. Like the first one is 3 then it goes to 5.

3, 5, 7, 9, 11, 13.....

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3 years ago

The greater of two consecutive integers is 15 more than twice the smaller. Find the integers.

Vlad [161]

Well, we know that the two consecutive numbers have to be negative, because if it was positive, the smaller number multiplied by two would be much greater. (unless 1 and 2). So, by guessing and checking, we will get -13 and -14 :)

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4 years ago