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Iteru [2.4K]
4 years ago
6

Help me out some one

Mathematics
1 answer:
Olegator [25]4 years ago
7 0
Y = mx + b is the slope-intercept form of the equation of a line,
where m = slope, and b = y-intercept.

In problems 1 and 3, your equations are written in the y= mx + b form, so you can read the slope and y-intercept directly.

1.
m = -5/2
b = -5

3.
m = -1
b = 3

5.
For problem 5, you need to solve for y to put the equation
in y = mx + b form. Then you can read m and b just like we did
for problems 1 and 3.

4x + 16y = 8

16y = -4x + 8

y = -4/16 x - 8/16

y = -1/4 x - 1/2

m = -1/4

b = -1/2
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Solve 2x2 - 8x = -7.<br> -2+2<br> -2+212<br> 24 v2<br> 2t<br> 2+2<br> 2
oksano4ka [1.4K]

Answer:x

=

4

+

√

2

(

24

v

22

t

+

233

)

2

 

x

=

4

−

√

2

(

24

v

22

t

+

233

)

2

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Hi there! Three days ago I ordered 8 Neat cupcakes. This week I'd like 50% fewer than that.
Furkat [3]

Total cup cake ordered = 8

Percentage 'P' of a quantity x can be calculated using:

p/100 * x

Here,

P = 50%

x = 8

Put these values in formula.

50/100 * 8

=> 1/2 * 8

=> 4

So, the 50% fewer cupcakes would be (8 - 4) = 4 cupcakes.

4 0
1 year ago
At the beginning of spring, Anthony planted a small sunflower in his backyard. When it was first planted, the sunflower was 20 i
Leni [432]

Answer: The sunflower be  50 inches tall after 6 weeks.

Total height of sunflower in w weeks = 20+1.5 w,

Step-by-step explanation:

Given:  In the beginning, the sunflower was 20 inches tall.

The sunflower then began to grow at a rate of 1.5 inches per week.

Then, total height of sunflower in 6 weeks = 20+1.5 ×20, where 1.5 ×20= growth in 6 weeks

= 20+30

= 50 inches

So, the sunflower be  50 inches tall after 6 weeks.

Let w = number of weeks, then

Total height of sunflower in w weeks = 20+1.5 w, where 1.5 w= growth in w weeks.

4 0
4 years ago
Read 2 more answers
PLS HELP. i really need this fast ill give brainliest too
kykrilka [37]

Answer:

24 square units

Step-by-step explanation:

Use the formula for area of a parallelogram to solve.  The base is 6 units, and the height is 4 units.

A = bh

A = (6)(4)

A = 24 square units

The area of the parallelogram is 24 square units.

7 0
3 years ago
What are the roots of x^2 -5x-4=0
allochka39001 [22]

I suggest drawing a graph or simply using a calculator

The answers should be (5 - √ 41) / 2 and (5 + √ 41) / 2

;)

3 0
3 years ago
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