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Nataliya [291]
3 years ago
14

(5 + 6) - + (-5 - 6) + - (5 - - 6) A.21 B.12 C.11 D.18

Mathematics
2 answers:
lora16 [44]3 years ago
8 0

Answer:

11

Step-by-step explanation:

gavmur [86]3 years ago
8 0

Answer:

<em>C</em><em>.</em><em> </em><em>1</em><em>1</em>

Step-by-step explanation:

  • follow bedmas rule
  • first multiple the value outside the bracket inside with both the values

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What is th difference in length between a 1 1/4 inch button and a 3/8 inch button
artcher [175]
Okay so 11/4 needs to be multiplied by 2 so that the D match up.

so 11/4 x 2 =  22/8

22/8  -  3/8  = 19/8

The difference is 19/8
8 0
3 years ago
What is the unit price for one cd if 3 cds cost 29.85?
zavuch27 [327]
You would do 29.85 ÷ 3 which equals 9.95. You would do the in verse operation. Hope I helped you.
5 0
3 years ago
Find the distance between the points E(3, 7) and F(6, 5). The exact distance between the two points is .
S_A_V [24]

Answer:

\sqrt{13}

Step-by-step explanation:

The trick here is to know the distance formula (a formula that helps you find the distance between two points).

Distance formula: distance = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

But now that we know this, we can simply plug in our values and solve!

\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}\\\sqrt{(6-3)^2+(5-7)^2}\\\sqrt{(3)^2+(-2)^2}\\\sqrt{9+4}\\\sqrt{13}

Now we can tell from our answer that the distance between both points is \sqrt{13}

7 0
3 years ago
Given A = {x ∈ ℤ : 4|x} and B = {x ∈ ℤ : 2|x}. Prove A ⊆ B.
Rashid [163]

Let a ∈ A. Then a is some integer that is divisible by 4, so we can write a = 4k for some integer k.

We can simultaneously rewrite a as a = 2•2k, so 2 clearly divides a, which means a ∈ B as well.

Therefore A ⊆ B.

4 0
2 years ago
Solve for c . ab - c = 9
Nesterboy [21]
Hi

ab - c =9
Solve for c
-c = 9 - ab
Divide both sides by -1
-c/-1 = 9-ab/-1
c = -9 + ab

Good luck !

5 0
3 years ago
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