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Vanyuwa [196]
2 years ago
15

(-3x+4)+(x-9) help please.​

Mathematics
2 answers:
Vera_Pavlovna [14]2 years ago
7 0

Answer:

−2−5

Step-by-step explanation:

(-3x+4)+(x-9)

−3x+4+x−9

Subtract

−3x+<u>4</u>+x<u>−9</u>

-3<u>−5</u>+

Combine terms

<u>−3x</u>−5+<u>x</u>

<u>−2</u>−5

Mumz [18]2 years ago
3 0

Answer:

  1. - 1 · (2×±5)

Step-by-step explanation:

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Francesca leaves her home and Drive South 150 km. Then she drives West 70 km. At this point, she drives North 30 km. Finally, sh
Sveta_85 [38]

To find the distance between her home and her latest position:

According to the question, the diagram is,

Consider the right triangle,

AB=120 km

BC=50 km

To find AC:

Using Pythagoras theorem,

\begin{gathered} AC^2=AB^2+BC^2_{} \\ =120^2+50^2 \\ =14400+2500 \\ =16900 \\ =130\text{ km} \end{gathered}

Hence, the distance between the new position and her home is 130 km.

8 0
1 year ago
State the domain of the sets of points. [-4,9] [8,9] [5,-7] [-6,1] [2,7]
Ainat [17]

Answer:

[-6, -4, 2, 5, 8]

Step-by-step explanation:

take the first number in each pair and put them in numerical order (least to greatest)

3 0
3 years ago
If B is the midpoint of AC, AC=CD, AB=3x+4, AC=11x-17, and CE=49, find DE.
Luba_88 [7]

Answer:

11

Step-by-step explanation:

AB = 3x + 4 and AC which is twice of AB is equal to 11x - 17

2 (3x + 4) = 11x - 17

6x + 8 = 11x - 17

8 + 17 = 11x - 6x

25 = 5x

5 = x

AC = CD = 11x - 17 ➡ 11×5 - 17 = 38

CD = 38 and DE = 49 - 38 = 11

6 0
3 years ago
Please help with all. I’m not sure if I’m wrong, PLEASE HELP I WILL GIFT ALL MY POINTS AND BRAINIEST ANSWER
Salsk061 [2.6K]

Answer:

Yes, you are right. Great job!

Step-by-step explanation:

4 0
3 years ago
Which expression is equivalent to -8? A=-2^-3 B=(-1/2)^-3 C=(1/2)^-3 D=2^-3
sladkih [1.3K]

Answer:

The answer is option B.

Step-by-step explanation:

( -  \frac{1}{2} ) ^{ - 3}  = ( - 2) ^{3}  =  - 8

Hope this helps you

4 0
3 years ago
Read 2 more answers
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