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notka56 [123]
3 years ago
8

PLEASEE HELP!! NUMBER 4!!

Mathematics
1 answer:
Illusion [34]3 years ago
8 0
?????????????????????/ us a calculator to add up all the nub.
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Can some o e help me with 7 please this is due tommorow
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This is kinda hard to explain but I'll try my best. Here's a tip, the fractions that are on the ruler really mean 10,20,30,40,50,60,70,80,90, and 100. So, when you look at the decimals on number 7, you have to try to turn them into fractions in your head. For example, 0.9 is actually 9/10 or 90.
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2 years ago
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3. Jillian reads a book at a steady pace. Which equation can describe Jillian’s progress using t for time in hours and C for cha
zaharov [31]

Answer:

You didnt include the graph oop

Step-by-step explanation:

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3 years ago
Will give brainliest
Andrews [41]

Answer:

31.6%

6.67%

14.3%

Step-by-step explanation:

7 0
3 years ago
How to do factor each expression 63 + 81
Katyanochek1 [597]

Answer:

9(7 + 9)

Step-by-step explanation:

To factor an expression you have to first find the highest common factor (HCF) of the numbers in the expression. You divide them by their HCF, bracket it and place the HCF outside the bracket.

63 + 81 =  \\  9(\frac{63}{9}  +  \frac{81}{9})  =  \\ 9(7 + 9)

To check if it is factored properly you can do the opposite of what you just did by clearing the bracket.

9 (7 + 9)

(9 x 7) + (9 x 9)

= 63 + 81

6 0
1 year ago
Type the correct answer in each box. Use numerals instead of words.
gtnhenbr [62]

Answer:

f(x) = 2x(x - 8)

f(x) = 2(x - 2)² - 8

Step-by-step explanation:

Let the equation of the quadratic function is,

f(x) = a(x - h)² + k

Here, (h, k) is the vertex of the function.

From the graph attached,

Vertex of the parabola → (2, -8)

Therefore, equation of the function will be,

f(x) = a(x - 2)² - 8

Since, the graph passes through origin (0, 0),

f(0) = a(0 - 2)² - 8

0 = 4a - 8

a = 2

Equation of the given parabola will be,

f(x) = 2(x - 2)² - 8

      = 2(x² - 4x + 4) - 8

      = 2x² - 8x + 8 - 8

      = 2x² - 8x

      = 2x(x - 8)

Therefore, factored form of the function will be,

f(x) = 2x(x - 8)

6 0
3 years ago
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