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krok68 [10]
3 years ago
15

What is the answer to this question–1 × –5?

Mathematics
2 answers:
Diano4ka-milaya [45]3 years ago
8 0

Answer:

5

Step-by-step explanation:

a minus times by another minus makes a positive, so it is basically 1 x 5

Margarita [4]3 years ago
4 0

Answer:

5

Step-by-step explanation:

Since the you are multiplying 2 minuses together they will cancel each other out to form a positive number. However if you have an example like this

-6 × 7

Then the answer will be -42 because there is only one negative

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Please answer with explanation, I don't understand.<br><br> <img src="https://tex.z-dn.net/?f=%5Csqrt%7Bx%5E2-14x%2B49%7D%20%3Dx
Crank

Answer: x ≥ 7

Step-by-step explanation:

You have to square both sides of the equation. You can manipulate an equation or function any way imaginable as long as it is done equally and helps the problem become easier. If we square this, the radical will cancel and we will get two trinomials equal to each other.

x^2-14x+49=(x-7)^2\\x^2-14x+49=x^2-14x+49

We can see the two expressions are exactly equal to each other. All real numbers are solutions, besides a few. These few are when the radical is equal to a negative number. So lets set up an inequality stating that the radical must be greater than or equal to 0.

x^2-14x+49\geq 0\\(x-7)^2 \geq 0\\x \geq 7

6 0
3 years ago
Luisa buys a plane ticket that has an original price of $240. She uses a coupon code to get a 30% discount off of the original p
laiz [17]

Answer:

179.76$

Step-by-step explanation:

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6 0
3 years ago
Read 2 more answers
The sum of - 7/9 and 11/18 is _____
ollegr [7]

Answer:

-\frac{1}{6}

Step-by-step explanation:

Common denominator: 18

-14/18 + 11/18

= -3/18

Reduce:

-1/6

6 0
3 years ago
Read 2 more answers
Can someone help me with 9,10,11 ?
sergij07 [2.7K]
I could be wrong but i graphed it out and 9 is C , 10 is A , and 11 is C Hopefully it's right
3 0
3 years ago
-2x + 8 = 18 please help. What does x equal
kakasveta [241]

Answer:

x = -5

Step-by-step explanation:

Step 1: Write equation

-2x + 8 = 18

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

  1. Subtract 8 on both sides: -2x = 10
  2. Divide both sides by -2: x = -5

Step 3: Check

<em>Plug in x to verify it's a solution.</em>

-2(-5) + 8 = 18

10 + 8 = 18

18 = 18

6 0
3 years ago
Read 2 more answers
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