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Hatshy [7]
3 years ago
11

Which expressions are equivalent to 4(4a+5)?

Mathematics
2 answers:
tresset_1 [31]3 years ago
6 0
The is choice b because if you distribute the 4 to both parts of the expression in the parentheses then the expression would be equal to that
Sholpan [36]3 years ago
4 0
Hello there!


4(4a + 5)

Use the distributive property

(4)(4a) + (4)(5)

16a + 20

The correct answer is B
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5 -2x + 6y= -38<br> ? 3x – 4y = 32<br> •(-4, - 5)<br> •(-5, 4)<br> •(1, – 6)<br> (4, - 5)
Svet_ta [14]

Answer:

Option D (4, -5)

Step-by-step explanation:

This question can be solved by various methods. I will be using the hit and trial method. I will plug in all the options in the both the given equations and see if they  balance simultaneously.

Checking Option 1 by plugging (-4, -5) in the first equation:

-2(-4) + 6(-5) = -38 implies 8 - 30 = -38 (not true).

Checking Option 2 by plugging (-5, 4) in the first equation:

-2(-5) + 6(4) = -38 implies 10 + 24 = -38 (not true).

Checking Option 3 by plugging (1, -6) in the second equation:

3(1) - 4(-6) = 32 implies 3 + 24 = 32 (not true).

Since all the options except Option 4 have been ruled out, therefore, (4,-5) is the correct answer!!!

7 0
3 years ago
What is 387 rounded to the nearest hundred? Use the number line to find the answer. 300 400 500 600
nata0808 [166]
400 is the answer. Hope this helps
6 0
3 years ago
I need the answer to 36a=15
OleMash [197]

Answer:

15/36

Step-by-step explanation:

6 0
3 years ago
Rectangle LMNO is rotated 90° clockwise around the origin to create rectangle L'M'N'O'. Which statement would best describe the
mel-nik [20]

Answer:

   Segment LL' and segment OO' are congruent (same length) and parallel (same inclination).

hope this helps! :)

Explanation:

The transformation described by the rule  (x, y) → (x + 2, y + 2) is a translation two units to the right and two units up.

That means that, to create rectangle L'M'N'O', every point of the reactangle LMNO is translated the same amount in the same direction; thus, this is a rigid transformation where angles, lengths, size, shape, and orientation are kept.

Then a segment drawn from point L to L' will have the same length and the same orientation (inclination) of a segment drawn from the point O to O'. Thus, these two segments are parallel and congruent.

3 0
3 years ago
Is it possible to have the same lower quartile as the minimum in a box plot?
Natalka [10]
No, bc the lower quartile should be in between the minimum and middle quartile(median) Hoped this helped!
6 0
4 years ago
Read 2 more answers
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