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3 years ago

USLI5

Mathematics

1 answer:

Reptile [31]3 years ago

4 0

For #3.

Zeros are 3 and -1 (plot them on the x-axis as a point)

Axis of symmetry is halfway between those so it’s: x=1

Vertex is (1, -4)

Y-intercept is (0,-3)

Domain is always all real numbers
Range is y is greater than or equal to -3

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ASAP thank you.........

ioda

Answer:

The first one

7 0

3 years ago

V) Find the perimeter of the rectangle whose length is 60m and breadth is 55m

katrin [286]

Answer:

Step-by-step explanation:

l = length

b = breadth

We know the length is twice the breadth, therefore l = 2b

We also know that the perimeter p = 60m and can also be expressed as a sum of its sides where p = l + l + b + b = 60 which simplified is:

60 = 2l + 2b

Now we have 2 variables, but thankfully we were given a ratio (l = 2b) relating the two. Substituting 2b in for l gives us:

60 = 2(2b) + 2b = 4b + 2b = 6b

60 = 6b

b = 10 m

Now that we know the breadth we can find the length:

l = 2b → l = 2(10) = 20 → l = 20 m

With a breadth of 10 m and a length of 20 m

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3 years ago

Using a deck of 52 playing cards, what are the odds against drawing a 6,7,8, or 9?

STatiana [176]

first option 4/13

Keeping in mind a deck has 4 each of these cards...

4×4=16

16/52

4/13

6 0

3 years ago

On a box of cookie mix, the instructions say that it will take no longer than 30 minutes to make the cookies. It takes t minutes

juin [17]

Answer:

The inequality represents the scenario is $t\leq 30$ .

Step-by-step explanation:

Given:

Number of minutes used to make cookie written on box = 30 minutes.

Number of minutes used to make cookies = $t \ minutes$

We need to write inequality represents the scenario

Solution:

We can say that;

Number of minutes used to make cookies should be less than or equal to Number of minutes used to make cookie written on box.

framing in equation form we get;

$t\leq 30$

Hence The inequality represents the scenario is $t\leq 30$ .

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3 years ago

An object that weighs 24 pounds on Mercury weighs approximately 80 pounds on Earth. A rock weighs 240 pounds on Mercury. What is

AnnyKZ [126]

Answer:

800 pounds.

Step-by-step explanation:

We have been given that an object that weighs 24 pounds on Mercury weighs approximately 80 pounds on Earth. A rock weighs 240 pounds on Mercury. We are asked to find the weight of rock on Earth.

We will use proportions to solve our given problem as proportions state that the ratio between two proportional quantities is equal.

$\frac{\text{Weight on Earth}}{\text{Weight on Mercury}}=\frac{80}{24}$