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ExtremeBDS [4]
3 years ago
6

In three math tests, you score 91,95, and 88 points. How many points must you score on the fourth test to have an A average, or

at least 90 points?
Mathematics
1 answer:
gulaghasi [49]3 years ago
5 0
That already is a 91.1 grade average. If you want to keep that, get a 90 and above. To find your average, add all your test scores up and divide them by how many scores there are. For instance if you add all those scores up you get 274. Divide it by 3 because there are three scores and there is your average!
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Just for the bottom 2 please
Luda [366]

Answer:

c is 35

d is 13

Step-by-step explanation:

I multiplied both sides, and then simplified the equation.

( plz give me brainliest, that would be most appreciated! )

8 0
4 years ago
Shawna has $435.15 in her savings account. Which of these numbers has a 1 with a value that is 1/10 the value of the 1 in $435.1
Margaret [11]
434.15 the 1 in this equals 1/10
5 0
3 years ago
Need Help! Given the drawing, what would the value of x need to be in order for it to be true that m || n ? ​
julia-pushkina [17]

Answer:

13

Step-by-step explanation:

The theorem is that for a line bisecting two parallel lines, the oposite angles are equal. Hence, you can formulate the equation 4x+18 = 7x-21, which solves to 13.

5 0
3 years ago
Porfa ayuda :c t.t u.u
Orlov [11]

Answer: 40

ADE = 70 por suma de angulos interiores en triangulo ADE

En triangulos BDE y AED

AE=BE por dato

DE lado comun

AED= BED= 90

por tanto los triangulos son iguales por tener dos lados y el angulo comprendido respectivamente iguales

Luego ADE = BDE = 70 y AD=BD=BC por ser triangulos BDE y AED iguales

Luego triangulo BDC isosceles de base DC

ADE + BDE + BDC = 180 por suma de angulos consecutivos

BDC = 180 - 70 -70 = 40

Ф = BDC =BCD = 40 por ser angulos bases de un triangulo isosceles

4 0
4 years ago
1.)<br>Х<br>ui<br>Na<br><img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B3%7D%7B5%7D%20%20%5Ctimes%20%20%5Cfrac%7B7%7D%7B9%7D%20"
MAVERICK [17]

if your question is 3/5*7/9...

Step-by-step explanation:

3/5*7/9

3*7/5*9

21/ 45 / 7/15

hope your question is 3/5*7/9 ... so, it will help you ... If it helps , plz mark me brilliantiest

..

6 0
3 years ago
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