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3 years ago

Helppp!!!!

Mathematics

2 answers:

taurus [48]3 years ago

8 0

Answer:

djbvjukdfxch

Step-by-step explanation:

ArbitrLikvidat [17]3 years ago

3 0

Answer:

A. 47°

Step-by-step explanation:

ΔABC is an isosceles triangles as shown in the picture with two congruent (equal) sides. When the sides are congruent, then the corresponding angles are also congruent. Since ∠A = 4x + 7 and ∠B = 5x - 3, these two expressions are equal to each other:

4x + 7 = 5x - 3

Add 3 to both sides: 4x + 7 + 3 = 5x - 3 + 3 or 4x + 10 = 5x

Subtract 4x from both sides: 4x + 10 - 4x = 5x - 4x or 10 = x

Since x = 10, solve for m∠B: 5(10) - 3 = 50 - 3 = 47°

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Zinaida [17]

Answer:

The scale factor of the dilation is 2

Step-by-step explanation:

KLMN ~ STUV

$\frac{ST}{KL} = \frac{TU}{LM} =\frac{UV}{MN} =\frac{VS}{NK} =\frac{12}{6} = 2$

The scale factor of the dilation is 2

6 0

3 years ago

From which sphere of earth did this food did this food originate

Ghella [55]

Answer:

I'm not entirely sure what you are asking, could you comment on this answer the full question so I can edit this question to provide you an answer?

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3 years ago

A cylinder with a radius of 1 cm and a height of 21 cm has the same volume as a cone with a height of 7 cm. What is the radius o

kolbaska11 [484]

The volume of cylinders. In the earlier lesson, you learned that the volume of the rectangular prism is found by multiplying the area of the base by the height of the prism. ... Example 1. This cylinder has a radius of 4 cm and a height of 10 cm. Find its volume. V = B • h. V = (π • r • r) • h. V = (3.14 • 4 • 4) • 10. V = 502.4 cm^3

8 0

4 years ago

Eight more than the product of some number cubed and two

Greeley [361]

8+ the product of 2 and a number to the third power, what it means 2×m cubed. So it is 8+2m (cubed)

4 0

3 years ago

Suppose Upper F Superscript prime Baseline left-parenthesis x right-parenthesis equals 3 x Superscript 2 Baseline plus 7 and Upp

Sedaia [141]

It looks like you're given

F'(x) = 3x² + 7

and

F (0) = 5

and you're asked to find F(b) for the values of b in the list {0, 0.1, 0.2, 0.5, 2.0}.

The first is done for you, F (0) = 5.

For the remaining b, you can solve for F(x) exactly by using the fundamental theorem of calculus:

$F(x)=F(0)+\displaystyle\int_0^x F'(t)\,\mathrm dt$

$F(x)=5+\displaystyle\int_0^x(3t^2+7)\,\mathrm dt$

$F(x)=5+(t^3+7t)\bigg|_0^x$

$F(x)=5+x^3+7x$

Then F (0.1) = 5.701, F (0.2) = 6.408, F (0.5) = 8.625, and F (2.0) = 27.

On the other hand, if you're expected to approximate F at the given b, you can use the linear approximation to F(x) around x = 0, which is

F(x) ≈ L(x) = F (0) + F' (0) (x - 0) = 5 + 7x

Then F (0) = 5, F (0.1) ≈ 5.7, F (0.2) ≈ 6.4, F (0.5) ≈ 8.5, and F (2.0) ≈ 19. Notice how the error gets larger the further away b gets from 0.

A better numerical method would be Euler's method. Given F'(x), we iteratively use the linear approximation at successive points to get closer approximations to the actual values of F(x).

Let y(x) = F(x). Starting with x₀ = 0 and y₀ = F(x₀) = 5, we have

x₁ = x₀ + 0.1 = 0.1

y₁ = y₀ + F'(x₀) (x₁ - x₀) = 5 + 7 (0.1 - 0) → F (0.1) ≈ 5.7

x₂ = x₁ + 0.1 = 0.2

y₂ = y₁ + F'(x₁) (x₂ - x₁) = 5.7 + 7.03 (0.2 - 0.1) → F (0.2) ≈ 6.403

x₃ = x₂ + 0.3 = 0.5

y₃ = y₂ + F'(x₂) (x₃ - x₂) = 6.403 + 7.12 (0.5 - 0.2) → F (0.5) ≈ 8.539

x₄ = x₃ + 1.5 = 2.0

y₄ = y₃ + F'(x₃) (x₄ - x₃) = 8.539 + 7.75 (2.0 - 0.5) → F (2.0) ≈ 20.164

4 0

3 years ago