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allochka39001 [22]

2 years ago

14

Why do many animals in grasslands stay together in herds?

2 answers:

mixas84 [53]2 years ago

4 0

Answer:

plz put one qusetion a time plz so i can put it down better

Step-by-step explanation:

Zarrin [17]2 years ago

3 0

All that I really know is that Question number 2 is letter A? and Question 7 is B.

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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

Finding missing angles

Zolol [24]

Answer:

95

Step-by-step explanation:

$x \degree = 95 \degree \\(vertical \: angles) \\ \\ x = 95$

8 0

3 years ago

1) Given a (x) =6x+2 and b (x) = -8x -11

Elenna [48]

I hope this helps you

8 0

3 years ago

Four minus x equals negative two. 4 - x = -2. whats x?

Roman55 [17]

Answer:

X would have to equal 6. To work it out, you subtract 4 from each side to cancel out the 4. -x = -6. You have to make -x just x so you × each side by -1. You get x = 6.

6 0

2 years ago

Read 2 more answers

F(x)=-3x-4 what's the Inverness function ?

AnnZ [28]

First make x the subject:-

3x = F(x) + 4

x = (F(x) + 4) / 3

f(-1(x) = (x + 4) / 3 answer

3 0

2 years ago

Read 2 more answers