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2 years ago

Question 31 (Essay Worth 5 points)

Mathematics

1 answer:

slega [8]2 years ago

7 0

Answer:

-12

Step-by-step explanation:

ds/dt = d/dt ( 1-12 t)

ds/dt = -12

When t=2

ds/dt = -12

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Solve for ∡1:

dmitriy555 [2]

It is given that, 20x + 4 + 2x = 180
22x = 180 - 4
x = 176/22
x = 8

So, ∡1 = 20(8) + 4 = 160 + 4 = 164

In short, Your Answer would be 164

Hope this helps!

3 0

3 years ago

In ΔABC, ∠B measures 35° and the values of a and b are 19 and 11, respectively. Find the remaining measurements of the triangle,

Anna35 [415]

Answer:

a) ∠A = 82.2° , ∠C = 62.8° , c = 17.01

Step-by-step explanation:

Explanation:-

Step(i):-

Given data ∠B measures 35° and the values of a and b are 19 and 11

∠B = 35° and sides a = 19 and b = 11

By using sine rule

$\frac{a}{sin A} = \frac{b}{sin B} = \frac{c}{Sin C} = 2 R$

now we will use

$\frac{a}{sin A} = \frac{b}{sin B}$

$\frac{19}{sin A} = \frac{11}{sin 35}$

cross multiplication , we get

$\frac{19 X sin 35}{11} = sinA$

sin A = 0.990

A = sin⁻¹( 0.990) = 82.2°

∠A = 82.2°

Step(ii):-

we know that ∠A +∠B +∠C = 180°

∠C = 180° - ∠A -∠B

∠C = 180° -82.2°-35°

∠C = 62.8°

Step(iii):-

we will use formula

$\frac{b}{sin B} = \frac{c}{Sin C}$

$\frac{11}{sin 35} = \frac{c}{Sin 62.8}$

$\frac{11 X sin (62.8)}{sin 35} = C$

c = 17.01

Final answer:-

∠A = 82.2° , ∠C = 62.8° , c = 17.01

4 0

3 years ago

The state of Colorado is in the shape of a rectangle whose length is 380 miles and whose length is 380 miles and whose width is

KiRa [710]

Area of a rectangle is Length times width
So basically 380 * 280 should be the answer
The answer should be 106400

8 0

3 years ago

Read 2 more answers

The amount of paper recycled is directly proportional to the number of trees that recycling saves. If recycling 2,000 pounds of

aleksandrvk [35]

Aproximately 42 trees my friend

7 0

3 years ago

Can someone help me here ASAP? this question is worth 20 points. will mark the brainliest, thank you so much in advanced.

worty [1.4K]

Answer:

1. a) (1-1) (1-2) (1-3) (2-1) (2-2) (3-1)

2. a) (5-1) (5-2) (5-3) (5-4) (5-5) (5-6)

3. d) (1-3) (2-3) (3-1) (3-2) (3-4) (3-5) (3-6) (4-3) (5-3) (6-3)

Step-by-step explanation:

1. added the numbers in the parenthesis and A had all of the sums less than 5

2. A had all the 5s in the first spot

3. D had the 3s in each parenthesis

3 0

3 years ago