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s344n2d4d5 [400]
3 years ago
10

The Problem is 8-9 please reply back and thx for your time

Mathematics
1 answer:
schepotkina [342]3 years ago
4 0

Answer:

-1

Step-by-step explanation:

8+9=17

9+8=17

17-8=9

17-9=8

But, 8-9 is -1

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Which quadratic function in vertex form can be represented by the graph that has a vertex at (3, -7) and passes through the poin
yarga [219]

~~~~~~\textit{vertical parabola vertex form} \\\\ y=a(x- h)^2+ k\qquad \begin{cases} \stackrel{vertex}{(h,k)}\\\\ \stackrel{"a"~is~negative}{op ens~\cap}\qquad \stackrel{"a"~is~positive}{op ens~\cup} \end{cases} \\\\[-0.35em] ~\dotfill

\begin{cases} h=3\\ k=-7 \end{cases}\implies y=a(x-3)^2-7\qquad \textit{we also know that} \begin{cases} x=1\\ y=-10 \end{cases} \\\\\\ -10=a(1-3)^2-7\implies -3=a(-2)^2\implies -3=4a\implies -\cfrac{3}{4}=a \\\\[-0.35em] ~\dotfill\\\\ ~\hfill y=-\cfrac{3}{4}(x-3)^2-7~\hfill

5 0
2 years ago
10=ax+bx solve for x <br> With steps please
laila [671]

Answer:

\displaystyle 10 = ax + bx \rightarrow x = \frac{10}{a + b}

General Formulas and Concepts:

<u>Pre-Algebra</u>

Equality Properties

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtraction Property of Equality<u> </u>

<u>Algebra I</u>

  • Factoring

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

\displaystyle 10 = ax + bx

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. Factor:                                                                                                               \displaystyle 10 = ax + bx \rightarrow 10 = x(a + b)
  2. [Division Property of Equality] Divide a + b on both sides:                           \displaystyle 10 = ax + bx \rightarrow x = \frac{10}{a + b}
7 0
3 years ago
Help me with this question, please, ill choose brainiest and give u 30 points for answering
Vsevolod [243]

Answer: D

Step-by-step explanation:

4 0
3 years ago
2. Which of the following is true of liquids? * AThey take on the shape of their container. b.Their shape does not change. C.The
Maru [420]

Answer:

A

Step-by-step explanation:

8 0
3 years ago
The cost of a new car is
seraphim [82]

Answer:

$24,000

Step-by-step explanation:

1. Find what 20% of 30,000 is.

20% x 30,000 = 6,000

2. The problem says the cost of a new car is 20% greater than a used car. Subtract the 6,000 from 30,000 to get the cost of the used car.

30,000 - 6,000 = 24,000

3. The cost of the used car is $24,000

5 0
3 years ago
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