While traveling to and from a certain destination you realized increasing your speed by 40 mph saved 4 hours on your return, if the total distance of the round trip was 640 miles find the speed driven while returning ?

Answer:

42n+90

Step-by-step explanation:

Answer:

180=2x+ 24( angles opposite to equal sides)

156/2=x

x=78

Step-by-step explanation:

The value of x from the triangle is given by the equation x = 78°

A triangle with two sides of equal length is an isosceles triangle. The isosceles triangle has three acute angles, meaning that the angles are less than 90°. The sum of three angles of an isosceles triangle is always 180°.

In an isosceles triangle, the two equal sides are called legs, and the remaining side is called the base. The angle opposite the base is called the vertex angle

The three types of Isosceles Triangles are :

Isosceles acute triangle

Isosceles right triangle

Isosceles obtuse triangle

Given data ,

Let the triangle be represented as ABC

Now , the measure of angle ∠A = 24°

It is an isosceles triangle with ∠B = ∠C

So , the measures of the two angles are the same

Let the Triangle be ΔABC , such that

∠A + ∠B + ∠C = 180°

Substituting the values in the equation , we get

x + x + 24° = 180°

On simplifying the equation , we get

2x = 156°

Divide by 2 on both sides of the equation , we get

x = 78°

Hence , the measure of x = 78°

To learn more about isosceles triangle click :

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Answer:

B

Step-by-step explanation:

how many 1/2's in 4? thats how many bows so 4 ÷ 1/2

Answer:

it's b.

debbie can make 8 bowls

Answer:

can not see page

Step-by-step explanation:

Answer:

To determine the explicit rule for the arithmetic sequence of 20.5, 16, 11.5, 7, 2.5, ..., the following logical reasoning must be performed:

20.5 - 16 = 4.5

16 - 11.5 = 4.5

11.5 - 7 = 4.5

7 - 2.5 = 4.5

Thus, the explicit rule of the arithmetic sequence is that the numbers are gradually subtracted by 4.5, with which the next number of said sequence would be -2.

Answer:

-45c

Step-by-step explanation:

Answer:

4c

Step-by-step explanation:

[tex]\frac{-60*c^{7} }{-15*c^{4}}[/tex]

Let's reduce the numbers and then we'll reduce exponents of c.

[tex]\frac{-60}{-15}=4[/tex]

Using exponent rules, we simply subtract the exponent from the top and the exponent from the bottom.

7 - 6 = 1

The exponent of c is 1, which is just c

Combining this, we get 4c

Answer:

Th answer to the first question is 18+6=24 the answer to the second question is 9 weeks

Please mark me brainliest!

Answer:

A, B, & C are true.

Hope this helps & have a great rest of your day!

Answer:I believe the answer is A,B,C

Step-by-step explanation:

Answer:

A. 135% of 85

Step-by-step explanation:

When you find the percent of something, you multiply it by 100, so 1.35 ÷ 100 is 135

Answer:

x = 4

x = -2

Step-by-step explanation:

I'm only sure about the second one

Answer:

Yes

Step-by-step explanation:

(2, 1) is a solution to the given system of linear equations.

x + 16y = 2 + 16*1 = 2 + 16 = 18

2x + 11y = 2*2 + 11*1 = 4 + 11 = 15

Answer:

the answer is B

Step-by-step explanation:

see the image!

Give Brillianst please!!!!!

Answer:

It’s actually d

Step-by-step explanation:

Answer:

117

Step-by-step explanation:

There are 60 minutes in each hour, and to find how many minutes there are in 3 hours you would have to multiply 3 x 60.

3 x 60 = 180

To find 65% of 180 you can use the equation

65 x 180/100

65 x 180 divided by 100 is 117.

Answer:

One solution

Step-by-step explanation:

Basicly its just seeing if x can be anything, nothing or one thing so x · 0 = 0 has infinite answers, 4x + 6 = 11 has one solution, and 0x = 5 has no solution

Answer:

ncx(2.718282)=18;c=456

ncx(2.718282)=18;c=456

Answer :

1/12

Step by step :

Pounds of raisins : 1/2 = 0.5

Number of days : 6

Pounds of raisins she will eat every day :

0.5 ÷ 6 = 0.83333... = 1/12

Step-by-step explanation:

[tex]f(\pi) = - 3 \\ f( \frac{\pi}{2} ) = 0 \\ f( - \frac{3\pi}{2} ) = 0[/tex]

In the top the "f(x)" equals 9, now they are asking you to add onto the 9 by 1 causing it to be 10. If you did the first few you would have noticed that it takes 9 in order to get to 5 from -4.

here are the answers btw:

Answer:

9a^2 - 6a

taking common

3a(3a-2)

Answer: The answer is A. 3/5

Step-by-step explanation:

Cos is the X coordinate given in parenthesis.

The X coordinate is 0.6, so find the fraction which equals 0.6.

3/5 = 0.6

Answer:3/5

Hope this help :)

Answer:

The answer is D

Step-by-step explanation:

Plug all of the numbers in and they all work with the problem.

Answer:

f(-2) = 54

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Algebra I

Step-by-step explanation:

Step 1: Define

f(x) = 3x(x² + 4x - 5)

f(-2) is x = -2

Step 2: Evaluate

Answer:

707 bags of sand

Step-by-step explanation:

To find the area all you have to do is add 40+5+5=50 then you split that in half to get the radius. The you use the area formula to get the entire shape and the get the radius of the smaller circle. Then, you subtract the small circle from the big circle to get the amount of sand needed. When you do that you should get 706.86 but since you need a whole number you would round up to 707

Answer:

Step-by-step explanation:

0.75/(3*10^(-7)) = 0.25*10^7 = 2.5*10^6

Answer:

17

Step-by-step explanation:

180 - 5 - 5 = 170 : 2 = 85 : 5 = 17

Answer:

we need to see the model

Step-by-step explanation:

model please