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cluponka [151]
2 years ago
15

Solve pls brainliest

Mathematics
2 answers:
Natalija [7]2 years ago
5 0
Answer:

1/4 - 1/8 = 2/8 - 1/8 = 1/8
UNO [17]2 years ago
5 0

Answer:

1) 2

2) 1

3) 8

Step-by-step explanation:

brainliest plz

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The ratio of color in a color bag is 3:2:1 for red, blue, and yellow respectively. If there are 9 yellow, how many blue and how
butalik [34]
3:2:1
r:b:9
To get to 9 from 1, you are multiplying by 9.
Therefore, multiply each number by 9.
27:18:9

So, 27 red and 18 blue.

Hope this helps!!
8 0
3 years ago
How many faces does the rectangular solid have?
hoa [83]
6 faces of a rectangular prism
6 0
3 years ago
Read 2 more answers
Please help me with this problem​
Rom4ik [11]

y=x^2 + x - 2

x + y = 1

Replace y in the second equation:

x + x^2 + x -2 = 1

Simplify:

x^2 + 2x -2 = 1

Subtract 1 from both sides:

x^2 + 2x -3 = 0

Factor:

(x-1) (x+3) = 0

Solve for both x's:

x = 1 and x = -3

Now replace x in the second equation and solve for y using both x values:

1 + y = 1, y = 0

-3 + y = 1, y = 4

Now you have (1,0) and (-3,4) as solutions for (x,y)

XY = x times y:

1 x 0 = 0

-3 x 4 = -12

The answer would be -12

6 0
3 years ago
What is an explicit formula for the geometric sequence -64,16,-4,1,... where the first term should be f(1).
nirvana33 [79]

Answer:

a_{n} = -64(-\frac{1}{4})^{n-1}

it seems like the first term is -64, so lets write the formula accordingly:

a_n = a1(r)^(n-1)

where 'n' is the number of terms

a1 is the first term of the sequence

'r' is the ratio

the ratio is -\frac{1}{4} because -64 * -\frac{1}{4} = 16 and so on...

the explicit formula is :

a_{n} = -64(-\frac{1}{4} )^{n-1}

7 0
3 years ago
F(x) = 2x2 + 12x + 1<br> Determine the vertex
Gnom [1K]

Answer:

Step-by-step explanation:

The vertex would be the highest/lowest point so lets factor this first

when we factor we get

2(x^2+6x+8)

2(x+4) (x+2)

Using zero product property we find the 2 x values and x intercepts are

-4 and -2

the middle point of these points is -3

Substitute -3 for x and solve

2(-3+4) (-3+2)

2 * 1 *  -1

2*-1

-2

(-3,-2) is the vertex

5 0
3 years ago
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