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1 year ago

Evaluate the expression for f = -6 and g = -1. fg - f =

Mathematics

1 answer:

Arlecino [84]1 year ago

5 0

Answer:

Step-by-step explanation:

Given the information from the question:

$fg - f = f \times g - f$

Next we can use the order of operations to find the value of the expression.

$fg - f = - 6 \times - 1 - ( - 1) \\ = 6 - ( - 1) \\ = 6 + 1 \\ = 7$

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5x-4y=19 x+2y=8 solve the simaltaneous equation

STatiana [176]

Answer:

( 5, 3/2 )

x = 5

y = 3/2

Step-by-step explanation:

5x - 4y = 19

x + 2y = 8

-------------------

2(x + 2y = 8) = 2x + 4y = 16

----------------------

5x - 4y = 19

2x + 4y = 16

7x = 35

÷7 ÷7

x = 5

-----------------------

x + 2y = 8

5 + 2y = 8

-5 -5

2y = 3

÷2 ÷2

y = ( 3/2 )

I hope this helps!

8 0

2 years ago

1. What is the area of the triangle below? 10 in. 7 in.

Alex787 [66]

The area of a triangle is

$\cfrac{base*height}{2}$

If we plug in the given values, we get:

$\frac{10*7}{2}$

Multiply in the numerator:

$\frac{70}{2}$

Divide:

$35$

Therefore, the area of the triangle is 35 inches squared.

6 0

2 years ago

Read 2 more answers

If x is 1 what is the value of y?9x - 5y = 29

mylen [45]

Given

The equation,

9x - 5y = 29.

To find the value of y when x is 1.

Explanation:

It is given that,

$9x-5y=29$

That implies,

When x=1,

$\begin{gathered} 9(1)-5y=29 \\ 9-5y=29 \\ -5y=29-9 \\ -5y=20 \\ y=\frac{20}{-5} \\ y=-4 \end{gathered}$

Hence, the value of y is -4.

4 0

1 year ago

What is the slope of the line? (2,3) (4,2)

Rainbow [258]

Formula for slope: $\frac{y2-y1}{x2-x1}$
Plug in: $\frac{2-3}{4-2} 
= - \frac{1}{2}$
Slope: $- \frac{1}{2}$
Answer: $B$

7 0

3 years ago

PLS HELP ME ASAP WILL MARK BRAINLIEST!!

My name is Ann [436]

Answer:

1. Rational

2. Integer

3. Irrational

4. Irrational

5. Imaginary

8 0

3 years ago