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3 years ago

13

Which statement is true? Use the diagram to answer.

1 answer:

geniusboy [140]3 years ago

6 0

Have to say it’s answer choice B

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scarlet is trying to find the height of a dam. she stands 90 meters away from the dam and records the angle of elevation to the

Harlamova29_29 [7]

Make a drawing with a right triangle.

The opposite side, y, is the height of the dam less 1.65 m

The base or adjacent side is 90 m

The angle between the two sides is 90 m.

Then tan (26) = y / 90

y = 90 tan(26) = 90 (0.4877) = 43.90 m

The height of the dam is 43.90m + 1.65m = 45.55 m

5 0

3 years ago

What is the symbol for 1.020____1.200<br> A:<<br> B:><br> C:=

slega [8]

Answer:

A

Step-by-step explanation:

1.020 is less than 1.200

5 0

3 years ago

Factorise fully the following:<br>a) x² + 2x<br>b) 2x² - 6x<br>c) 15x - 10x³<br>d) 9x² + 3x³

Lostsunrise [7]

Answer:

a) $x(x+2)$

b) $2x(x-3)$

c) $5x(3-2x^2)$

d) $3x^2(3+x)$

Step-by-step explanation:

a) $x^2+2x$

When factoring a binomial (a polynomial with two terms), what we will be looking for are the terms that are shared between them.

In this problem, it can be seen that both of these terms have and x. This means that we can factor it out to get

$x(x+2)$

b) $2x^2-6x$

What are the common terms here?

It can be seen that each of these share a 2x, so our factored form would be

$2x(x-3)$

c) $15x-10x^3$

What about this one?

The common factor of this one is 5x, so our factored form would be

$5x(3-2x^2)$

d) $9x^2+3x^3$

The common factor of this one is $3x^2$ , so our factored form would be

$3x^2(3+x)$

6 0

3 years ago

Help me please please

telo118 [61]

Answer:

see below

Step-by-step explanation:

Standard equation for a circle with center h,k and radius r

(x-h)^2 + (y-k)^2 = r^2

so for this one center = (1,2) radius = 4

6 0

2 years ago

Which symbol(s) represent SI units for temperature? Check all that apply.

Leviafan [203]

Answer:

K of Kelvin

Step-by-step explanation:

6 0

3 years ago