3 years ago

How do you determine whether to draw the boundary line of the graph of a linear inequality dashed or solid?

1 answer:

4 0

Solid is if x is greater/less than or equal to (there isn’t a symbol for it) the line and the line would be dashed if x is < or > something

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Determine the surface area of the triangular prism below

Cloud [144]

Answer:

2376 square feet

Step-by-step explanation:

40 x 15 = 600

40 x 24 = 960

1/2 x (24 x 9) = 108

600 + 600 + 960 + 108 + 108 = 2376

5 0

3 years ago

The ratio of boys to girls in math classes is 3.5. If there are 130 girls in these classes, how many boys must there be?

dsp73

Answer:

<h3><u>Required Answer</u><u>:</u><u>-</u></h3>

The ratio of boys and girls =3:5

Let

Number of boys=3x

Number of girls =5x

According to the question Numbers of girls=130

${:}\longrightarrow$ $\sf 5x=130$

Now interchange both sides and get x

${:}\longrightarrow$ $\sf x={\dfrac {130}{5}}$

${:}\longrightarrow$ $\sf x=26$

The number of boys=3x

=3×26=78

$\therefore$ Number of boys is 78.

4 0

2 years ago

membership in a digital library has a $5 startup fee and then cost $9.95 per month memberships in a video streaming service cost

UNO [17]

With this information you can write the expression
9.95m + 5 = 7.99m
This demonstrates the cost for each one after m months.

3 0

3 years ago

What is x+x+2+x+4+x+6=-28

Vlada [557]

4x+12=28
-12 -12
4x=16
X=4

3 0

3 years ago

Mary spent half of her allowance going to the movies. She washed the family car and earned 6 dollars. What is her weekly allowan

chubhunter [2.5K]

X is her allowance

X/2 + 6 = 15

X/2=11
X=22

5 0

2 years ago