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Lyrx [107]
3 years ago
11

Subtract. Use models if needed. (–4x + 7) – (5x – 9) Question 2 options: –9x + 16 –9x – 2 x + 16 x – 2

Mathematics
2 answers:
Sophie [7]3 years ago
7 0

Answer:

Step-by-step explanation: use PEMDAS parenthesis first but don't add the numbers with x with a normal number, add x number with x number and add normal number with normal number but parenthesis first good luck

puteri [66]3 years ago
7 0

Answer:

9-7

Step-by-step explanation:

64779

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Write an equation for the translation of x^2 + y^2 = 49 by 7 units right and 4 units up
Tatiana [17]

Answer:

(x - 7)² + (y - 4)² = 49

Step-by-step explanation:

Given

Equation: x² + y² = 49

Required:

New Equation when translated 7 units right and 4 units up

Taking it one step at a time.

When the equation is translated 7 units right, this implies a negative unit along the x axis.

The equation becomes

(x - 7)² + y² = 49

When the equation is translated 4 units up, this implies a negative unit along the y axis.

(x - 7)² + (y - 4)² = 49

The expression can be further simplified but it's best left in the form of

(x - 7)² + (y - 4)² = 49

8 0
3 years ago
Find the perimeter of this problem
GrogVix [38]

Answer: 119 4/7

Step-by-step explanation:

Add all the sides together.

4 0
3 years ago
The mass of Earth is 5.97 >< 1024 kilograms. The mass of the Moon is 7.34 x 1022 kilograms. What is the combined mass of E
LuckyWell [14K]

Answer:

7.34x10^22 kg can also be written as 0.0734 * 10^24 kg

Since both numbers are * 10^24, you can just add 5.97 + 0.0734 = 6.043. Then you have to add the * 10^24 giving you 6.043 * 10^24 kg

The ratio of Earth / moon is 5.97x10^24 / 7.34x10^22 = 81. The mass of the Earth is 81 times the mass of the moon.

Step-by-step explanation: give me brainliest please :)

6 0
3 years ago
Mark is planning to run in a 10-km race he will have to run 1 4/5 km uphill, 2 7/10 km downhill, and the rest of the race on lev
777dan777 [17]
<span>Uphill distance = 1 4/5 = 9/5 = 18/10 km Downhill Distance = 2 7/10 = 27/10 km Total Uphill and Downhill = 18/10 + 27/10 = 45/10 = 4.5 km Hence total level ground = Total race km - (Uphill + Downhill) =10 - 4.5 = 5.5 km Hence the answer is 5.5 km.</span>
7 0
4 years ago
In the triangle below, with right angle , suppose that and .
bazaltina [42]

Answer:

G= 60.5

E= 70.9

F= 90

........

.......

4 0
3 years ago
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