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____ [38]
3 years ago
7

90 + 12 = 6(15 + 12) Yes or No

Mathematics
2 answers:
quester [9]3 years ago
8 0

Answer:

This is false.

Step-by-step explanation:

90 +  12 = 102.

6(15+12) equals to 6(27) which is 162.


Vikki [24]3 years ago
5 0

The\:Correct\:Is\:No\:Or\:False

Hope\:This\:Helps!!!

-Austint1414

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Which is greater ratio than 2:7
blondinia [14]

Answer:

are their supposed to be answer choices

Step-by-step explanation:

6 0
3 years ago
Need help with 1 & 2 anyone wanna help I will mark you brainliest
xz_007 [3.2K]
1. First step: To get a term of x by itself, add 5 to both sides

Second step: This will become 3x<24

Third step: To separate 3x, divide everything by 3: 3x÷3 < 24÷3

Step four: x < 8

2. First subtract both sides by 12: - 2x + 12 - 12 < - 4 - 12

Second: This becomes - 2x < -16

Third: Divide by -2 to get x by itself - 2x ÷ - 2 > -16 ÷ - 2 Note: If you divide by a negative number, the inequality sign switches. This is a really important step that most students forget.

Fourth: x>8

Note: Try plugging in values when you are done if you are uncertain you have the right answer.
6 0
3 years ago
Which of the following is the solution set to the inequality −25x+14&gt;20? Select one: A. x &lt; -64 B. x &gt; -64 C. x &lt; -1
Sindrei [870]

Answer:

x< -0.24

Step-by-step explanation:

So this is going to sound stupid, but I got x< -0.24 which is just not an option, but this is how I got it...

-25x+14>20

subtract 14 from each side

-25x>6

divide each side by -25

x< -0.24

I switch the way the sign was facing bc I divided by a negative.

Now I know that this must be wrong, but it makes the most sense because I am pretty sure I did all of the math right. Sorry this probably didnt help , but I did a lot of work to try and get the right answer, so Im not putting that work to waste

8 0
3 years ago
The directrix of a parabola is y=−4y=−4 . The focus of the parabola is (−2,−2)(−2,−2) .
salantis [7]
Refer to the diagram shown below.

The directrix is y = -4 and the focus is (-2, -2).
Therefore the vertex is at (-2, -3).

Consider an arbitrary point (x,y) on the parabola.
The square of distance from the focus to the point is
(x+2)² + (y+2)²
The square of the distance from the point to the directrix is
(y+4)²

Therefore
(y+4)² = (y+2)² + (x+2)²
y² + 8y + 16 = y² + 4y + 4 + (x+2)²
4y = (x+2)² - 12
y = (1/4)(x+2)² - 3

Answer: y =  \frac{1}{4} (x+2)^{2} - 3

6 0
2 years ago
Genise is making cookies. She needs 1 1/2 cups of flour for one batch, but she wants to make 2 1/2 batches. Write an equation th
nikklg [1K]
"She needs 1.5 cups of flour for 1 batch, but she wants to make 2.5 batches."

This means that she needs 7.5 cups of flour for 5 batches.

Hence, she needs 3.75 cups of flour for 2.5 batches.
5 0
2 years ago
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