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3 years ago

15

Gerard has $30 to spend on lunches this month. Lunch costs him $1.50 each day. After Gerard buys lunch for 8 days, which stateme

nt is true?

2 answers:

Harrizon [31]3 years ago

6 0

What i did is that i did $1.50 time 8 = $12.00 and then do $30.00-12.00=$18.00

Andreas93 [3]3 years ago

6 0

Answer:

gerald spent less... Answer is <em>A. </em>

Step-by-step explanation:

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Need help please help me

ch4aika [34]

The answer is c not tha

7 0

3 years ago

Find the slope of the line passing through the given points. State whether the line is increasing, decreasing, horizontal, or

Anni [7]

Answer:

slope = 4

The line is increasing

Step-by-step explanation:

slope can be found through the equation $\frac{y_{2} -y_{1}}{x_{2}-x_{1}}$ . So, if we plug these points in, we get $\frac{7-3}{8-7}$ , which simplifies to 4. So, the slope is 4.

Since the slope is positive, the line is increasing.

3 0

3 years ago

How can I solve this problem using substitution, please show the work. (x,y)

Lapatulllka [165]

Answer: Y= 10

Y= X+8 X+Y=2
-x -x
Y= -x+2
Y=x+8
Y=-x+2
Y=10

6 0

2 years ago

Read 2 more answers

Use the Division Property of Equality to complete the following statement. If 4x = 5y, then x = ?

SpyIntel [72]

Answer:

$\boxed {\tt x=\frac{5y}{4}}$

Step-by-step explanation:

We are given the equation:

$4x=5y$

We want to solve for x, so we must isolate x.

x is being multiplied by 4. The inverse of multiplication is division. Use the <u>Division Property of Equality</u> and divide both sides of the equation by 4.

$\frac{4x}{4} =\frac{5y}{4}$

$x=\frac{5y}{4}$

Using the Division Property of Equality, x is equal to 5y/4

5 0

3 years ago

What is the value of c in this linear system? <br> A) 1<br> B) -3<br> C) -1<br> D) 2

Alika [10]

9514 1404 393

Answer:

B) -3

Step-by-step explanation:

There are methods for finding only c. Cramer's rule is one of them. It involves finding two determinants and taking their ratio. Here, we choose a more <em>ad hoc</em> approach. It appears that the value of b can be found by combining the last two equations.

(1/2)(2a +4b -2c) -(a -3b -c) = (1/2)(12) -(-4)

5b = 10

b = 2

Now, we can substitute this value into the first two equations. This gives ...

5a +c = -8

a - c = 2

Subtracting 5 times the second from the first gives ...

(5a +c) -5(a -c) = (-8) -5(2)

6c = -18 . . . . simplify

c = -3 . . . . . . divide by 6

The value of c is -3.

4 0

3 years ago