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3 years ago

Work out giving ur answer as a mixer number

Mathematics

2 answers:

Sever21 [200]3 years ago

3 0

Answer:

1 11/20

Step-by-step explanation:

3 3/4 - 2 1/5

Get a common denominator of 20

3 3/4 *5/5 -2 1/5 *4/4

3 15/20 - 2 4/20

1 11/20

Serggg [28]3 years ago

3 0

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see this attachment☝

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What is the slope of the line that passes through (3, 11) and (10, 15)?

antiseptic1488 [7]

Answer:

4/7

Step-by-step explanation:

$\frac{y2-y1}{x2-x1} \\\frac{15-11}{10-3} \\\frac{4}{7}$

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3 years ago

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3 years ago

PLEASE HELP

Zinaida [17]

We want to identify different things on the given graph.

The solutions are:

A) (3, -1)

B) x = 4

C) x = y^2 + 2y + 4

D) x ⇒ ∞, y ⇒ ∞

x⇒3, y⇒ -1

A) The first thing we want to identify is the vertex, we could say that a vertex is a point of symmetry. (like the minimum/maximum of a parabola). Here we clearly do not have a point of symmetry, as we only have half of a parabola, but if it was a complete one, the vertex would be at the blue point, in (3, -1)

B) This is the point where the graph intercepts the x-axis, x = 4.

C) we want to write the equation, we start with the general parabola, this time as a function of y:

x = a*y^2 + b*y + c

Remember that the x-itercept is at x = 4. then c = 4.

x = a*y^2 + b*y + 4

The y-value of the vertex is -1, while the general y-value of the vertex is:

y = -b/2a = -1

And evaluating the equation in this value, gives us:

x = a*(-1)^2 + b*-1 + 4 = 3

Then we have two equations:

-b/2a = -1

a + -b + 4 = 3

We can rewrite the first one as:

-b = -2a

b = 2a

Now we can replace this on the other equation:

a - 2a + 4 =3

-a + 4 = 3

-a = 3 - 4 = -1

a = 1

And b = 2a = 2*1 = 2

Then the equation of the parabola is:

x = y^2 + 2y + 4

D) We can see that as x grows, y increases, so we can say that:

x ⇒ ∞, y ⇒ ∞

And for the other limit we can see that as x tends to 3, y tends to -1, then:

x⇒3, y⇒ -1

If you want to learn more, you can read:

brainly.com/question/21685473

5 0

3 years ago

The area of a circular table is 22511 in2.

zzz [600]

Answer:

1. Radius = 84.65 in

2. Circumference = 531.65 in

3. Diameter = 169.3 in

Step-by-step explanation:

1] In order to find the area of a circle, we use the formula

Area of a circle = πr²

Where r is the radius. So substitute the value of the area of the circle in the formula, to find the radius r.

22511 = π r²

r² = 22511 ÷ π

r = $\sqrt{22511 / \pi }$

r = 84.65 in

2] Now that we found the radius, we can easily find the circumference using the formula:

Circumference of a circle = 2πr

Substitute the value of r in the formula.

Circumference = 2 × π × 84.65

Circumference = 531.87 in

3] The diameter is twice the radius, so:

diameter = r × 2

diameter = 84.65 × 2

diameter = 169.3 in

6 0

2 years ago

What is the interest on RS. 1000 at 10 p.c.p.a for 1 year.

solniwko [45]

Answer:

Interest wil be 10% of 100 which is 10

So, interest will be Rs.10

And total amount to be payed will be 100+10 which is Rs.110

8 0

3 years ago

Read 2 more answers