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SCORPION-xisa [38]
4 years ago
13

Layla answer 21 of the 25 questions on his history test correctly.What decimal represents the fraction of problem he answer inco

rrectly.
Mathematics
1 answer:
valkas [14]4 years ago
7 0
0.84 would be the decimal
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What are the coordinates of point R?​
Klio2033 [76]

Answer:

The last one (-1,5)

Step-by-step explanation:

From (0,0), the R coordinate is one to the left meaning the x is negative and five up which means the y is positive 5 so... (-1,5) is the new location of R.

8 0
3 years ago
I need a little extra help with number three
diamong [38]

Answer:

The answer to your question is:

Step-by-step explanation:

Data

f(x) = -2x² + 8x - 2

Process

                -2x² + 8x = y + 2

                -2(x² - 4x + 4) = y + 2 - 8

                -2(x - 2)² = y - 6

                    (x - 2)² = 1/2 (y - 6)

Vertex = (2, 6)

Axis of symmetry =   x = 2

y-intercept

                 f(0) = -2(0)² + 8(0) - 2

                 f(0) = 0 + 0 - 2

                 f(0) = -2

Domain    (-∞, ∞)

Range    (-∞, 6]

See the graph below

6 0
3 years ago
Which of the following satisfies Ž -2 = 12
MA_775_DIABLO [31]

Answer:

14

Step-by-step explanation:

if z is 14 than z-2=12

because 14-2=12

7 0
3 years ago
Please help me! Easy question! Please help!
Elena L [17]

Answer:

I am pretty sure that it's C

Step-by-step explanation:

you need to do a^2+b^2=c^2

7 0
3 years ago
Read 2 more answers
The sum of two numbers is 95. If the larger is increased by twice the smaller, the result is 120. Find the numbers.
adelina 88 [10]
Hello!

You can make two expressions based on what you know

let x equal the larger number
let y equal the smaller number

x + y = 95
x + 2y = 120

We can use elimination to get rid of x

You can subtract the two equation to get rid of x

-y = -25

Since y is negative we can multiply both sides by -1 to make y positive

y = 25

Now we can put this into one of the other equations to find x

x + 25 = 95

subtract 95 from both sides

x = 70

The answers are 70 and 25

Hope this helps!
3 0
3 years ago
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