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3 years ago

4. The current temperature is 8°F. The temperature is expected to be 3

Mathematics

2 answers:

mart [117]3 years ago

5 0

A
Because 8 -x = -3

guajiro [1.7K]3 years ago

3 0

The answer is A
the temperature is dropping 8 degrees to get to 0 and then drops an additional 3 degrees

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A driver travels 208 miles in 4 hours. what is the driver's speen,in miles per hour ?

valina [46]

Answer:

Step-by-step explanation:

miles per hour so 208, which is miles and 4 which is hours so 208/4 which is 52

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2 years ago

Read 2 more answers

Expand and simplify bracket please quickly

natulia [17]

Answer:

4y²-1/4 is the required answer

Step-by-step explanation:

$(2y - \frac{1 }{2} )(2y + \frac{1}{2} ) \\ using \: formula \: {x}^{2} - y {}^{2} = (x - y)(x + y) \\ 4y {}^{2} - \frac{1}{4}$

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1 year ago

on a recent test matthew got 18 out of 40 problems correct at the same rate how many problems would matthew get correct if there

Flauer [41]

Answer:

Step-by-step explanation:

18/40 = 27/60

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2 years ago

The perimeter of a triangle is not greater than 12 and the lengths of sides are natural numbers.

weqwewe [10]

Answer:

3 triangles

Step-by-step explanation:

Perimeter of triangle = a + b + c

Given that :

P = 12

and a, b, c are natural numbers

Let :

Side A = a

Side B = b

Side C = 12 - (a + b)

Side A + side B > side C - - - (condition 1)

a + b > 12 - (a + b)

a + b > 12 - a - b

a + a + b + b > 12

2a + 2b > 12

2(a + b) > 12

a + b > 6

Side A - side B < side C

a - b < 12 - (a + b)

a - b + a + b < 12

2a < 12

a < 6

b < 6 (arbitrary point)

Going by the Constraint above :

The only three possibilities are :

(2, 5, 5)

(3, 4, 5)

(4, 4, 4)

Total number of triangle = 3

Equilateral triangle (all 3 sides equal) = (4, 4, 4) = 1

Isosceles triangle (only 2 sides equal) = (2, 5, 5) = 1

3 0

2 years ago

3 Fred is making a fruit salad. The ratio

marusya05 [52]

Answer: 24 cups.

Step-by-step explanation:

Let be "x" the amount of cups of peaches that Fred will need to make 60 cups of fruit salad.

According to the information given in the exercise, you know that the ratio of cups of peaches to cups of cherries is the one shown below:

$2:3$

Which can also be written as a fraction:

$\frac{2}{3}$

Then, if he uses 2 cups of peaches and 3 cups of cherries, he will get 5 cups of fruit salad.

Knowing the above, you can set up the following proportion:

$\frac{2}{5}=\frac{x}{60}$

Now you must solve for "x" in order to find its value. This is:

$(60)(\frac{2}{5})=x\\\\x=24$

5 0

2 years ago