2 years ago

(SUPER EASY) ILL GIVE BRAINLIEST TOO. just answer all the questions you know.

Mathematics

2 answers:

IrinaK [193]2 years ago

8 0

Answer: x,y. 2,7, 1,

Step-by-step explanation:

g100num [7]2 years ago

8 0

Answer:

5.) (2,7)

6.) 0,3,4,6,8,9

7.) x= -4,-2,1

y=2,-1,1

I hope this is good enough:

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A construction company wants to build an auditorium on a trapezium shaped plot measuring 410m2. One of the parallel sides of the

Assoli18 [71]

Answer:

other parallel side is 23m

Step-by-step explanation:

Let's assume other parallel sides as 'x'

One of the parallel sides of the trapezium plot measure 18m

so, y=18

distance between the two parallel sides measure 20m

so, h=20

now, we can use area of trapezium formula

$A=\frac{1}{2}\times h \times (x+y)$

now, we can plug values

$A=\frac{1}{2}\times 20 \times (x+18)$

we can set A=410

and then we can solve for x

$410=\frac{1}{2}\times 20 \times (x+18)$

$10\left(x+18\right)=410$

$x+18=41$

$x=23$

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3 years ago

Find the real solutions of the equation by graphing

Vlada [557]

Answer:

C. 0, 1.29, -0.65

Step-by-step explanation:

The real solutions of the equation $19x^3-12x^2-16x=0$ is where the graph of $y=19x^3-12x^2-16x$ intersects the x-axis.

This means that we need to graph $y=19x^3-12x^2-16x$ using a graphing software.

From the graph shown in the attachment $x=0$ , $x=1.29$ , and $x=-0.65$ are the real solutions.

The correct choice is C

8 0

3 years ago

Help me.... IF A=1, B=2, AND C=929, WHATS C/A x B + B x C

morpeh [17]

I got 1,727,940
Plug in the numbers

7 0

3 years ago

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Mr. Blackburn is buying new carpet for his family room and hallway. The floor plan is shown below.

larisa86 [58]

Answer:

Step-by-step explanation:

3.2 times 1.5 plus 6 times4.2= 30 meters of carpet.

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3 years ago

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Marisol constructed a triangle. One angle in the triangle has a measure of 40°. Another angle in the triangle has a measure of 8

Tanzania [10]

Answer:

A triangles angle always equal to 180 degrees. So if you add up what you already have which is 80+40=120

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3 years ago