3 years ago

Helppppp plzzzzzzzzz !

Mathematics

2 answers:

drek231 [11]3 years ago

5 0

The answer is 4° because it’s the largest exponent on the variable

telo118 [61]3 years ago

4 0

The answer is 4^0 hope it helps

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Jax has a weekly math test. His scores on the last 5 tests are 78,92,86,94,95. What score does he need to have an average of 90

lara [203]

Answer:

x = 95

Step-by-step explanation:

Given that,

Jax scores on the last 5 tests are 78,92,86,94,95.

We need to find the score he need to have an average of 90.

The formula for average of few number is given by :

Average = sum of observations/total no of observation

Let he score x in test 6. So,

$90=\dfrac{78+92+86+94+95+x}{6}\\\\90=\dfrac{445+x}{6}\\\\540=445+x\\\\x=95$

So, he must score 95 in the next test so that its average is 90.

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3 years ago

Solve. 21 + 3x = 3(-x + 3) - 12<br>x=

mars1129 [50]

X = -4.
explanation:
21+3x=3(-x+3)-12
21+3x=-3x+9-12
21+6x=9-12
21+6x=-3
6x=-24
x=-4

4 0

3 years ago

Pls help with this question + 25 points + Brainliest for first

forsale [732]

Answer:

6.03

Step-by-step explanation:

x > −1/2

6 0

3 years ago

Read 2 more answers

Please help me on this one?

blondinia [14]

3x + 4y = 16 Subtract 4y from both sides. Put brackets around the 2 terms on the right.

3x + 4y - 4y = (16 - 4y)

3x = (16 - 4y) Divide by 3

$\text{ x =}\dfrac{(16 - 4y)}{3} = \dfrac{16}{3} - \dfrac{4y}{3}$

Answer That's B.

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3 years ago

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Twin brothers, Billy and Bobby, can mow their grandparent's lawn together in 112 minutes. Billy could mow the lawn by himself

dalvyx [7]

Answer:

97 minutes

Step-by-step explanation:

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4 years ago