2 years ago

Josh has a job to tile a room 16 ft x 18 ft with 1 ft. square tiles. How many tiles does he need?

Mathematics

1 answer:

Lena [83]2 years ago

7 0

Answer:

288 tiles

Step-by-step explanation:

16×18= 288 so he needs 288 square tiles

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What is the value of m, if the equation my2+2y−4=0 has exactly one root?

stich3 [128]

Answer:

$m=\frac{-1}{4}$

Step-by-step explanation:

A quadratic equation has one root if the discriminant is 0.

That is we need $b^2-4ac=0$ for this particular question.

Compare the following to find $a,b, \text{ and } c$ :

$ax^2+bx+c=0$

$my^2+2y-4=0$

The variable $x$ is representative of the variable $y$ here.

$a=m$

$b=2$

$c=-4$

Plug in into $b^2-4ac=0$ :

$(2)^2-4(m)(-4)=0$

$4+16m=0$

Subtract 4 on both sides:

$16m=-4$

Divide both sides by 16:

$m=\frac{-4}{16}$

Reduce:

$m=\frac{-1}{4}$

6 0

2 years ago

Read 2 more answers

What are the unit rates for 4/8 , 5/25, 36/6, 14/21, 18/30, 28/16, 56/35, 45/108, 12/42, 39/26

Artyom0805 [142]

How you find those is you just divide the rate and what ever answer you get you add a one on the bottom

Example: 1. 4/8
2.4÷8= 2
3. 2/1

5 0

3 years ago

PLEASE HELP WITH QUESTION C

GalinKa [24]

Answer:

Discount: 25%

Tax: 6.5%

Step-by-step explanation:

Percentage of discount:

x/100 = 10/39.99 (what percentage is 10 of 39.99) (%/100=is/of)

= 25%

Percentage of tax:

x/100 = 1.95/29.99

= 6.5%

8 0

2 years ago

Wesley jogs 10 miles each weeks. Then he jogs 20 miles each week for 3 weeks how many miles does Wesley jog in 5 week?

Kruka [31]

I think he would jog 80 miles in 5 weeks
20+20+20+10+10=80

6 0

3 years ago

A triangle ABC has A(1,-4) B(3,-1) C(3,-8).Find the length of the sides AB and AC

mr_godi [17]

Answer:

Step-by-step explanation:

AB= $\sqrt{(1^{2} -3^{2})+((-4)^{2} -(-1)^{2} ) }$

= $\sqrt{7}$

AC= $\sqrt{(3^{2} -1^{2} )+((-8)^{2}- (-4)^{2} )} \\$

= $\sqrt{56}$

4 0

2 years ago