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3241004551 [841]
3 years ago
12

Naomi has 3 pounds of apples and 2 1/2 pounds of grapes. If she gives 1/3 of her apples to Christine, how many pounds of apples

will she have left?
Mathematics
2 answers:
Paul [167]3 years ago
5 0
Whats a 1/3 of a pound?
Xelga [282]3 years ago
4 0
She will have 2 and 2/3 explanation 2 and 3/3-1\3 = 3-1=2/3
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A test to detect an infection gives a positive result 98% of the time if a person is infected. It is 97% accurate for people who
Rama09 [41]
If the test gives a positive result for an infected person 98% of the time, that means that 2% of the time, it gives a negative result for an infected person, which would be a false negative.

If the test is 97% accurate for non-infected people, that means that it gives a negative result 97% of the time. So a positive result will be given 3% of the time for non-infected people, which is a false positive. 
6 0
3 years ago
X+y=5<br> x×y=6<br> Solve simultaneously with steps
igor_vitrenko [27]

Answer:

(3, 2), (2, 3)

Step-by-step explanation:

x + y = 5

xy = 6

Solve the first equation for x.

x = 5 - y

Substitute 5 - y for x in the second equation.

xy = 6

(5 - y)y = 6

5y - y² = 6

y² - 5y + 6 = 0

Factor.

(y - 2)(y - 3) = 0

y - 2 = 0  or y - 3 = 0

y = 2  or y = 3

Now substitute 2 for y in the first equation and solve for x.

x + y = 5

x + 2 = 5

x = 3

One solution is x = 3; y = 2, or (3, 2).

Now substitute 3 for y in the first equation and solve for x.

x + y = 5

x + 3 = 5

x = 2

Another solution is x = 2; y = 3, or (3, 2).

Answer: (3, 2), (2, 3)

7 0
2 years ago
SOMEONEEEE HELLPP ME OUTTTT!!!!
Gnoma [55]
49 degree is the answer
tanø = 46/40
= 1.15
Ø = 49 degree
4 0
3 years ago
A water pipe under Buckingham Palace is 59 m long. A water pipe under the White House is 36 m long. What is the difference in th
RUDIKE [14]
59m - 36m = 23m 

23m is your answer.
7 0
3 years ago
Read 2 more answers
What is the ratio of the volume of Cylinder A to the volume of Cylinder B?
erastovalidia [21]

Answer:

The ratio of volume of Cylinder A to the volume of Cylinder B is 18:25.

Step-by-step explanation:

Dimension of cylinder A,

Radius is 3 units and height is 4 units.

Dimension of cylinder B,

Radius is 5 units and height is 2 units.                          

The volume of a cylinder is given by :

V=\pi r^2 h

For cylinder A to B,

\dfrac{V_A}{V_B}=(\dfrac{r_A}{r_B})^2\times \dfrac{h_A}{h_B}\\\\\dfrac{V_A}{V_B}=(\dfrac{3}{5})^2\times \dfrac{4}{2}\\\\\dfrac{V_A}{V_B}= \dfrac{18}{25}

So, the ratio of volume of Cylinder A to the volume of Cylinder B is 18:25.

3 0
3 years ago
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