All categories

3 years ago

Answer to question one pleaseeeee help !!

Mathematics

1 answer:

Salsk061 [2.6K]3 years ago

8 0

The answer is 19.6 cm^2

you should find the height of the triangle by heron formula: it will be 9.8

so the area is
$(9.8 \times 4 ) \div 2= 39.2 \div 2 = 19.6$

good luck

You might be interested in

Which functions have an additive rate of change of 3? Select TWO options

Pachacha [2.7K]

Answer:

Second table.

Step-by-step explanation:

A function has an additive rate of change if there is a constant difference between any two consecutive input and output values.

The additive rate of change is determined using the slope formula,

$m = \frac{y_2-y_1}{x_2-x_1}$

From the first table we can observe a constant difference of -6 among the y-values and a constant difference of 2 among the x-values.

$m = \frac{ - 9- - 3}{4-2} = - 3$

For the second table there is a constant difference of 3 among the y-values and a constant difference of 1 among the x-values.

The additive rate of change of this table is

$m = \frac{ - 1 - - 4}{3 - 1} = 3$

Therefore the second table has an additive rate of change of 3.

5 0

3 years ago

Read 2 more answers

I will mark you the brainiest for the correct answer, please be correct, Have a good day and take care, thanks. ( VIEW THE IMAGE

makkiz [27]

Mistake in Line 2 : Was in the determining the values for a ,b,c

Mistake in Line 4 : Not taking the square roots of both sides.

Step-by-step explanation:

${a}^{2} + {b}^{2} = {c}^{2}$

First Mistake : Line 2

$a = x \\ b = 6 \\ c = 10$

Second Mistake : Line 4

$136 = {x}^{2} \\ not \\ 136 = x$

Correct Solution :

${x}^{2} + {6}^{2} = {10}^{2} \\ {x}^{2} = {10}^{2} - {6}^{2} \\ {x}^{2} = 100 - 36 \\$

${x}^{2} = 64 \\ \sqrt{ {x}^{2} } = \sqrt{64} \\ x = 6$

3 0

3 years ago

PLEASE HELP, I WILL UP POINTS AND VOTE BRAINLIEST! DONT MAKE ME WASTE MY 88 POINTS.

Allushta [10]

Answer:

Ok im using a standered form calculator:

1. 9/7x + 1/7 = -8

2. y = -6/5x - 3 = -11

3. y = 1/3x - 2 = -10

Step-by-step explanation:

I will be glad to help more

6 0

3 years ago

What is the distance between -4 and 7 on a number line?

tiny-mole [99]

Answer:

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

Solve for x: -3x-3=-3(x+1)

amid [387]

Answer:
Has infinite many solutions. X=1

Step by step:

-3x-3=-3(x+1)
-3x-3=-3x-3
-3x-3+3=-3x-3+3
-3x=-3x

4 0

3 years ago