The weather forecast states that the temperature will be lower than –5°F tonight. Let t represent the temperature in degrees Fahrenheit. Which inequality models this situation?

A.
t < –5 and t may be a negative number

B.
t < –5 and t must be a positive number

C.
t > –5 and t may be a negative number

D.
t > –5 and t must be a positive number

Answers

Answer 1

Answer: Hi There!

t < –5 and t may be a negative number!

Answer 2

Answer: Hey there,

It would be A

This < is a bracket

Bracket means something could be (greater then or less than)
In this case it showing the definition or the out come!

Hope this helped!

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Sean has 1/5 of a cupcake and 1/5 of a large cake . Are the wholes the same? Explain.

What are the roots of the polynomial f(x)=x^2+9x-70?

Answers

Roots of the polynomial are values of x when f(x)=0,so
to find the roots of the polynomial we need to solve the equation
x²+9x-70=0 , a=1, b=9,c=-70

$x= \frac{-b+/- \sqrt{ b^(2)-4ac } }{2a}$

$x= (-9+/- √(81+4*1*70) )/(2) = (-9+/- √(361) )/(2)= (-9+/-19)/(2) x_(1)=5, x_(2)=-14$

Holly has 46 quart of potato salad. She gives 26 quart to a friend. How much potato salad does she have left? Explain.

Answers

Answer:

Holly has 20 quart of potato salad left.

Step-by-step explanation:

Holly has 20 quart of potato salad because she originally has 46 quart of potato but gave her friend 26, subtracting 26 from the original amount of quart of potato she had.

A 12-foot tree casts a 22-foot shadow. Find the angle of elevation from the tip of the shadow to the top of the tree. Round the answer to the nearest tenth.

Answers

The angle of elevation from the tip of the shadow to the top of the tree is one of the acute angles of the right triangle. The 22-ft shadow is the length of the adjacent side of the angle and 12-ft tree the opposite side. The angle asked for in the problem is the arctan of 12-ft divided by 22-ft. Thus, the angle of elevation is 28.61 degrees.

Answer:

Step-by-step explanation:

I just did it

Find the slope between the two points: (3,-2) and (4,7)

Answers

The slope between the two points (3,-2) and (4,7) is 9.

What is slope of a line?

The slope equals the rise divided by the run: . You can determine the slope of a line from its graph by looking at the rise and run. One characteristic of a line is that its slope is constant all the way along it.

To find slope given two(x1, y1) and(x2, y2) points, we use the formula

$m=(y_2-y_1)/(x_2-x_1)$

Given coordinates are:(3,-2) and (4,7)

x1= 3, x2= 4 , y1= -2 and y2= 7

Using Formula,

$m=(7-(-2)))/((4-3))$

= 9 /1

= 9

So, the slope between two points is 9.

Learn more about slope here:

brainly.com/question/2491620

#SPJ2

To find slope given two points, there is a formula you can use: (y2-y1)/(x2-x1). Y2 stands for the second y coordinate and y1 stands for the first y coordinate. The same logic applies to the x's. Let's assume that (3, -2) is x1, y1 and (4,7) is x2, y2. Let's plug them into the formula.

(7-(-2))/(4-3).
7-(-2)=9 for total y value.

4-3=1 for the x value.

Now we divide them.
9/1=9. 9=m. M is the variable commonly used for slope. Hope this helped!

Melissa bought a cake that cost $75. The sales-tax rate is 10 percent. What is the total amount she paid for the cake?

Answers

Answer:

the total amount she paid for the cake, $82.5

Step-by-step explanation:

As per the statement:

Melissa bought a cake that cost $75.

⇒Cost of cake = $75

It is also given that:

The sales-tax rate is 10 percent.

then

Sale tax she gave on cake = $(10)/(100) * 75 = \$7.5$

We have to find the total amount she paid for the cake.

$\text{Total amount she paid for the cake} = \text{Cost of the cake}+\text{Sale tax}$

Substitute the given values we have;

$\text{Total amount she paid for the cake} = 75+7.5 = \$ 82.5$

therefore, the total amount she paid for the cake, $82.5

Statements:

1# Melissa bought a cake of cost $75.
2# The tax that has to be paid for the product is 10% of the cost of the product, itself.

=================================

Total amount of money = $$75 +( (10)/(100)*75 )$

= $75 + $7.5
= $82.5

Solve for x:
3x + 5 = 5x – 9

Answers

Answer:

x=7

Step-by-step explanation:

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