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3 years ago

6

Points!!!!!!!!!!!!!

2 answers:

Elodia [21]3 years ago

5 0

<span>Assuming that 2 people who will repair a refrigerator equally fast will do it twice as fast when working together: Jannete repairs 1/60 refrigerator per minute. Lisa repairs 1/40 refrigerator per minute. Togheter they repair 1/60+1/40= 1/60 + 1,5/60 = 2,5/60=5/120=1/24 refrigerator per minute thus it will take them 24 minutes</span>

Katarina [22]3 years ago

5 0

If they are working together well it already takes jannette 60 minutes and liza is 20 minutes faster since Liza is the faster one you would use her time and that would be 60 - 20 = 40 so B

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In a deck of 52 playing cards, there are 13 different cards in the deck that are hearts. What is the probability that if you cut

SOVA2 [1]

52/2=26. 13/2=6.5. 6.5/26 or 13/56.

5 0

2 years ago

Read 2 more answers

One pound of grout is enough to grout a tiled area that is 110 sq. Ft. Alyssa's kitchen counter is made up of two rectangular se

Ratling [72]

Answer:

$(10.3(2.5)+3.1(2))\div 110$

Step-by-step explanation:

$A_1$ = Area of 1st rectangle = $(10.3\times 2.5)\ \text{ft}^2$

$A_2$ = Area of 2nd rectangle = $(3.1\times 2)\ \text{ft}^2$

$1\ \text{pound of grout}=110\ \text{ft}^2$

$\Rightarrow 1\ \text{ft}^2=\dfrac{1}{110}\ \text{pound of grout}$

The number of pounds required for the counter top is

$\text{Total area}\times \text{The amount of grout used in 1 ft}^2$

$=A_1+A_2\times \dfrac{1}{110}=(10.3(2.5)+3.1(2))\times \dfrac{1}{110}\\ =(10.3(2.5)+3.1(2))\div 110$

The required expression is $(10.3(2.5)+3.1(2))\div 110$ .

6 0

3 years ago

Read 2 more answers

Use the pythagorean theorem to solve for t*<br> A) 49<br> B) 85<br> C) √49<br> D) √85

-BARSIC- [3]

Answer:

D is the correct answer

7 0

2 years ago

Factor this expression. ab + 2a + 3b + 6.

egoroff_w [7]

Factor out the greatest common factor of each group
a(b+2)+3( b+2)
Factor the polynomial by factoring out the greatest common factor, b+2
(b+2)(a+3)

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3 years ago

Give the center, radius, and equation of the circle in the graph.

LuckyWell [14K]

Answer:

centre= (2,-3)

radius=2

equation= (x-2)^2+(y+3)^2= 4

Step-by-step explanation:

equation is found by the co-ordinates and the length of the radius

if the co-ordinates (2,-3)

x=2

y=-3

r= 2

so the equation will be like

=(x-2)^2+(y+3)^2=2^2

=(x-2)^2+(y+3)^2=4

Thankyou ^^

4 0

3 years ago