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UkoKoshka [18]
3 years ago
9

Can you help me please...! am I right in this graphing question?

Mathematics
1 answer:
kondaur [170]3 years ago
4 0

Answer:

yes it is true answer

Step-by-step explanation:

(-3,3)

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Please help me! And get marked as brainlist!
Luda [366]

Answer:

Step-by-step explanation:

a) area of the rectangle = length × breadth

Therefore area should be = 12cm × 6cm

Which should give you the answer 72centimetre squared.

b) area of triangle A = 1/2 × b × h

So that is 1/2 × 3 × 6

Which is 18 centimetres × 1/2

Which is 9 centimetres squared

c) area of triangle B = 1/2 × b × h

So 1/2×3×6=18

Now 1/2×18 should give you 9 centimetres squared

d) therefore the area of the parallelogram = 72+9+9=90 centimetres squared

Therefore the area of the parallelogram is 90 centimetres squared

8 0
3 years ago
Write an equation for the linear function f with the given values<br><br> Question number 8
ANEK [815]

Answer:

5. y = 2/3x + 1

8. y = 4/7x - 4

Step-by-step explanation:

5. (-6, -3) and (6, 5)

You can use the slope formula which is (y2-y1)/(x2-x1) to find the slope and plug it back into the slope-intercept form to find the y-intercept

(5-(-3)) / (6-(-6)) = 8 / 12 = 2/3

slope-intercept form: y=mx+b where m is the slope and b is the y-intercept

to find b you can plug in one of the coordinates and the slope

5 = 6(2/3) + b

5 = 4 + b

1 = b

y = 2/3x + 1

8. (-7, -8), (21, 8)

m = (8 -  (-8)) / (21 - (-7)) = 16 / 28 = 4/7

plug in one of the coordinates and the slope to find b or the y-intercept

8 = 21(4/7) + b

8 = 12 + b

-4 = b

y = 4/7x - 4

6 0
2 years ago
The parabola has its vertex at the point (2, –7). What is the equation of the parabola?
IgorC [24]

here is the equation, since we don't have a point f(×) and x would just stay

4 0
4 years ago
Shelley's pet food store sold one customer 5 peanut butter biscuits for $3. She sold another customer 7 beef treats for $4.20. W
Anastasy [175]

Answer:

The proportional equation is \frac{5}{3} = \frac{7}{4.20}

Cross product are both equal to 21.

Step-by-step explanation:

5 peanut butter biscuits for $3

7 beef treats for $4.20

So, proportional equation is

\frac{5}{3} = \frac{7}{4.20}

Cross multiply

21=21

3 0
3 years ago
Answer me step by step <br>if don't I will report you​
zheka24 [161]
The correct answer is y=28 cm


Explain

Area of 4 congruent parallelograms= 308cm^2

Area of 1 parallelogram = 308/ 4

Area of 1 parallelogram = 77 cm ^2


h+h= 14


As h+h=2h

2h=14

Divide both side by by 2

H= 7

Solve for b

As b+b = 2b

2b+6=y

Subtract both side by 6

2b+6-6=y-6

Combining numbers

2b=y-6

Divide both side by 2

2b/2 = y-6/2


Cancel 2


B= y-6/2


We have of 1 parallelogram = 77 cm^2

H= 7
B= y-6/2


Parallelogram area = bh

So now parallelogram area = y-6/2 x7

And area of 1 parallelogram = 77 cm^2


Y-6/ 2 x 7 = 77


Y-6/2 x 7= 7(11)

Cancel 7

Y-6/2 = 11

Multiple both by 2

2(y-6/ 2) = 11x2

Cancel 2 and multiple numbers

Y-6=22

Add 6 both sides

Y-6+6=22+6

Y=28






8 0
4 years ago
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