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3 years ago

Help i would like an explanation if possible and Im not smart

Mathematics

1 answer:

sesenic [268]3 years ago

7 0

Answer:

3/16

Step-by-step explation

1/2 x 3/8

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-8 -8x + 10 + 6x = 19

hram777 [196]

Answer:

x = -8.5

Step-by-step explanation:

Let's rearrange the question to find x :)

-8x + 6x + 10 - 8 = 19

-2x + 2 = 19

-2 -2

-2x = 17

/-2 /-2

x = -8.5

4 0

3 years ago

What is 9 ten thousands ÷10

borishaifa [10]

9 ten-thousands is 9*10,000=90,000. 90,000/10 is 9,000, or nine thousands.

6 0

3 years ago

Read 2 more answers

What is the value of the discriminant for x2 + 5x = -7?

Verdich [7]

Answer:

x = -1

Step-by-step explanation:

2x + 5x = -7

7x = -7

x = -1

3 0

3 years ago

A fire department's ladder is 110 feet long. A firefighter is trying to reach the top of a 100 foot building by leaning the ladd

Alekssandra [29.7K]

Answer:

sin-¹(10/11)

Step-by-step explanation:

The height of the building is 100 ft and the ladder is 110ft long .We can imagine this situation as a right angled ∆. For figure refer to the attachment .

We can use ratio sine here. Let the angle of elevation be theta.

In ∆ ABC :-

=> sinθ = p/h

=> sinθ = 100ft / 110 ft

=> sinθ = 10/11

=> θ = sin -¹ ( 10/11) .

<h3>Hence the angle of elevation is sin -¹ ( 10/11). </h3>

6 0

3 years ago

What is standard form of y=2/5x - 3?

vlabodo [156]

Answer:

Bring 3x to the left: −3x + y = 2. Multiply all by −1: 3x − y = −2. Note: A = 3, B = −1, C = −2. This form: Ax + By + C = 0. is sometimes called "Standard Form", but is more properly called the "General Form".

Step-by-step explanation:

dat is only exsample so i thingk i help u

3 0

3 years ago