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kaheart [24]
3 years ago
10

Solve the system of equations graphically.3x + 2y = 4−x + 3y = −5

Mathematics
1 answer:
stealth61 [152]3 years ago
6 0

Answer:  (2,-1).

Step-by-step explanation:

The given system of equations is

3x+2y=4

-x+3y=-5

For 3x+2y=4, table of values is

x :   0        1         2

y :   2      0.5      -1

For -x+3y=-5, table of values is

x :   -1        2         5

y :   -2       -1         0

Plot these points on a coordinate plane and connect them be straight lines as shown below.

Form the graph it is clear that the lines intersect each other at (2,-1).

Therefore, the solution of given system of equations is (2,-1).

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Find the slope of the line represented by the table of values.
miskamm [114]

Answer:

Slope is -0.25

Step-by-step explanation:

(0,4.5) (2,4)

3 0
3 years ago
Select the points that lie on the function g(x) = -x2 (Choose all that apply.) (0, 0) (-3, -9) (3, -9) (-3, 9)
Evgesh-ka [11]
The function is :

                              \displaystyle{ g(x)=-x^2, 

which means that "g of a number" is equal to "negative, the square of that number".

According to the function we calculate g(0), g(-3), g(3) as follows:

g(0)=-0^2=-0=0\\\\g(-3)=-(-3)^2=-9\\\\g(3)=-3^2=-9

This means that we have the points (0, 0), (-3, -9), and (3, -9) lying on the graph of the function.


Answer: (0, 0), (-3, -9), (3, -9) 
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3 years ago
I mark brianlest just help me;-;
Rina8888 [55]

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Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
What is 0.3 +0.5 +0.8= ?
notka56 [123]

Answer:

1.6

Step-by-step explanation:

first break it up into parts so it’s easier

0.3+0.5 = 0.8

0.8+0.8= 1.6

4 0
3 years ago
Perrie invests £25000 for 3 years in a saving account. She gets 2.7% per annum compound interest. Calculate the total amount of
aleksandr82 [10.1K]

Answer:

I (interest) = £ 2,080.17

Step-by-step explanation:

Perrie invests £25000 for 3 years in a saving account. She gets 2.7% per annum compound interest. Calculate the total amount of interest perrie will get after 3 years.

To solve the above question, we would use the Periodic compound interest formula

A = P(1 + r) ^t

Where P = Principal = £25000

r = Interest rate = 2.7 % = 0.027

t = time in years = 3 years

Hence:

A = £25,000( 1 + 0.027)³

A = £27,080.17

A = P + I where

P (principal) = £ 25,000.00

I (interest) = £27,080.17 - £ 25,000.00

I (interest) = £ 2,080.17

The total amount of interest perrie will get after 3 years is £ 2,080.17

3 0
3 years ago
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