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3 years ago

6

4 plus 5s plus 6-2s can you show me the work

1 answer:

MAVERICK [17]3 years ago

6 0

4+5s+6-2s = 0 Combine Like Terms
10+3s = 0 Subtract 10 from both sides
3s =- 10 Divide both sides by 3
s = (-10/3)

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If jasmine spent $280 on 20 pairs of earrings,what was the cost of 1 pair?

strojnjashka [21]

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14

Step-by-step explanation:

280 divided by 20 is 14 when you divide by those 2 numbers you get how much they would cost. also 14x20 is 280

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2 years ago

Translate into an algebraic expressions: b is decreased by 40% and decreased again by 40% . What is the result ?

Vikki [24]

Answer:

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Step-by-step explanation:

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3 years ago

What is the factored form of the polynomial?

DENIUS [597]

Answer:

C. (x + 4)(x + 5).

Step-by-step explanation:

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4 years ago

Find the value of the expression if x=12.<br> 1. 3x

Marizza181 [45]

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4 years ago

Read 2 more answers

Unit 4 Test, Part 2: Congruence and Constructions<br> Help with my math please

lakkis [162]

Answer/Step-by-sep explanation:

1. Given:

∆NMK ≅ ∆TRP

$\overline{NM} = 20$

$\overline{MK} = 15$

$\overline{KN} = 25$

$\overline{TR} = 3x - 1$

a. To complete the congruent statement, thus: ∆MNK ≅ ∆RTP

b. The side that is congruent to $\overline{TR}$ is $\overline{NM}$ . Thus:

$\overline{TR}$ ≅ $\overline{NM}$

c. Since $\overline{TR}$ ≅ $\overline{NM}$ , therefore:

$\overline{TR} = \overline{NM}$

$3x - 1 = 20$ (substitution)

Add 1 to both sides

$3x = 20 + 1$

$3x = 21$

Divide both sides by 3

$x = \frac{21}{3}$

$x = 7$

2. a. Slope of LK = $\frac{rise}{run} = \frac{4}{3}$

Slope of LM = $\frac{rise}{run} = -\frac{3}{5}$

b. ✍️Length of LK is the distance between L(-7, 4) and (-4, 8):

$Lk = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}$

$Lk = \sqrt{(-4 -(-7))^2 + (8 - 4)^2}$

$Lk = \sqrt{(3)^2 + (4)^2}$

$Lk = \sqrt{9 + 16}$

$Lk = \sqrt{25}$

$Lk = 5$

✍️Length of LM is the distance between L(-7, 4) and (-2, 1):

$LM = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}$

$LM = \sqrt{(-2 -(-7))^2 + (1 - 4)^2}$

$LM = \sqrt{(5)^2 + (-3)^2}$

$LM = \sqrt{25 + 9}$

$LM = \sqrt{34}$

$LM = 5.8$ (nearest tenth)

∆KLM is not an isosceles ∆ because it does not has two equal side lengths. This we can see because LK and LM are not equal.

Therefore, Anthony is incorrect. Am isosceles ∆ has two equal sides.

8 0

3 years ago