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tankabanditka [31]
3 years ago
8

4.) Dylan scored a 95, 78 and 89 on his first three science tests. Write and solve an inequality to determine what is the lowest

possible score he can get on his fourth test to average at least a 90 in the class.
Mathematics
2 answers:
nalin [4]3 years ago
5 0
98 is your answer for
prisoha [69]3 years ago
3 0

Answer:

98

Step-by-step explanation:

Dylan must get at least a 98% to reach an average of 90. (95+78+89+98)÷4=90.

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Please help!!<br><br> The solution of the equation is x = ?<br> .
LUCKY_DIMON [66]

Answer:

as below

Step-by-step explanation:

\frac{2}{7} = \frac{6x}{4x + 17}

2(4x + 17) = 7(6x)

8x +34 = 42x

34 = 42x-8x

34 = 34x

\frac{34}{34} = x

1 =x   :)

5 0
4 years ago
What is 315 written as a product of prime factors in index form? Can somebody please explain this to me in english?
dmitriy555 [2]
I'm guessing it's like this
example
18=2*3*3=(2¹)(3²)


315/5=63
63/3=21
21/3=7

factored form is 3*3*5*7=(3²)(5¹)(7¹)
4 0
4 years ago
Which of these tables represents a function??
Bumek [7]

Answer:

The first table

Step-by-step explanation:

You have to make sure that x is unique throughout.

First Table: the inputs are 2, 4, 6, 7

each input value is different or unique

Second Table: input values are 3, 5, 3, 5

three and five repeat themselves, so there is not a function

Third Table: input values are -2, 0, 1, -2

negative 2 repeats itself so it is not unique

6 0
3 years ago
What is the equation for the locus of points 10 units from the origin?
Lesechka [4]

Answer:

d or b no a tho

Step-by-step explanation:

8 0
4 years ago
What is the slope of a line perpendicular to y = 8 - 2/7x?
Salsk061 [2.6K]
The slope of the current line is -2/7. To find the slope of the line perpendicular to it, find the negative reciprocal of the slope. So it would be 7/2. The y intercept or the b would remain the same so the equation would be y=7/2x+8. Hope this helps. 
7 0
4 years ago
Read 2 more answers
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