At 5:00 Am The Temperature In Phoenix Arizona Was Already 80 Degrees Fahrenheit. By 3:00 Pm The Temperature Has Risen To 97 Degrees Fahrenheit. What Is The Difference In Temperatures?

Answers

Answer 1

Answer: The difference is 17 degrees

Answer 2

Answer: that it's cooler in the mornings and it starts to get hotter later in the afternoon

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SystemK,
Use the information provided in the table to
determine the ko for acetate ion, the conjugate
base of acetic acid.
1.8 x 10-19
5.6 x 10-10
28 x 10-9
1.8 1010
Acetic
acid/acetate ion
1.8 x 10-5

Answers

Answer:B

5.6x10 -10

Step-by-step explanation:

How many solutions are there for the system of equations shown on the graph? No solution
One solution
Two solution
Infinitely many solutions

Answers

Since the two lines are parallel, there will be no solutions.

Your answer is No solutions.

If there were two lines, one on top of the other, there would be infinitely many solutions.
If there were two lines that intersected at one point, there would be one solution.
But keep in mind that there can never be two solutions.

Solve each system using elimination PLEASE HELP!!!1.8X+5Y=6
3X-2Y=10
2.-3x+8y=10
5y+6y=80
3. 4x+12y=-24
3x-6y=-18
4.5x-6y=48
2x+5y=-3
please help show all work

Answers

1.
$8x+5y=6 \ \ \ |* 2 \n3x-2y=10 \ \ \ |* 5 \n \n16x+10y=12 \n\underline{15x-10y=50} \n16x+15x=12+50 \n31x=62 \ \ \ |/ 31 \nx=2 \n \n3x-2y=10 \n3 * 2-2y=10 \n6-2y=10 \ \ \ |-6 \n-2y=4 \ \ \ |/ (-2) \ny=-2 \n \n(x,y)=(2,-2)$

2.
$-3x+8y=10 \ \ \ |* 5 \n5x+6y=80 \ \ \ |* 3 \n \n-15x+40y=50 \n\underline{15x+18y=240 \ \ } \n40y+18y=50+240 \n58y=290 \ \ \ |/ 58 \ny=5 \n \n5x+6y=80 \n5x+6 * 5=80 \n5x+30=80 \ \ \ |-30 \n5x=50 \ \ \ |/ 5 \nx=10 \n \n(x,y)=(10,5)$

3.
$4x+12y=-24 \n3x-6y=-18 \ \ \ |* 2 \n \n4x+12y=-24 \n\underline{6x-12y=-36} \n4x+6x=-24-36 \n10x=-60 \ \ \ |/ 10 \nx=-6 \n \n3x-6y=-18 \n3 * (-6)-6y=-18 \n-18-6y=-18 \ \ \ |+18 \n-6y=0 \ \ \ |/ (-6) \ny=0 \n \n(x,y)=(-6,0)$

4.
$5x-6y=48 \ \ \ |* 2 \n2x+5y=-3 \ \ \ |* (-5) \n \n10x-12y=96 \n\underline{-10x-25y=15} \n-12y-25y=96+15 \n-37y=111 \ \ \ |/ (-37) \ny=-3 \n \n2x+5y=-3 \n2x+5 * (-3)=-3 \n2x-15=-3 \ \ \ |+15 \n2x=12 \ \ \ |/ 2 \nx=6 \n \n(x,y)=(6,-3)$

Dean is a certified personal trainer, and before taking on new clients, he wants to finalize his pricing plans. One plan is to charge $10 for the initial consultation and then $45 per session. Another plan is to charge $30 for the consultation and $35 per session.

Answers

let a be the cost of the fist plan
b is the cost of the second plan
t is the number of session

a = 45t + 10
b = 35t + 30

solve when will the cost be equal
45t + 10 = 35t + 30
10t = 20
t = 2
after two session plan a will always be more expensive than plan b

I don't get this problem. Lila decided to make kore baked goods for the bake sale. She used 1 / 8 lb less flour to make bread than to make cookies. She used 1/4 lb more flour to make cookies than to make brownies. If she used 1/2 lb of flour to make bread , how much flour did she use to make the brownies?

Answers

Start by taking the information we know, and write equations to represent the realationships:

1) "1/8 lbs less flour to make bread than to make cookies"
$b=c-(1)/(8)$

2) "1/4 lb more flour to make cookies than to make brownies:
$c=w+(1)/(4)$

3) "she used 1/2 lb of flour ro make bread"
$b = (1)/(2)$

From here you can solve for $w$ using back substitution.

24,356 rounded to the nearest thousand

Answers

The solution when the number $24,356$ is rounded to the nearest thousand using rule of rounding numbers is $24000$ .

Rounding off numbers means adjusting a number simpler by adjusting it to its nearest place according to certain rules.

In rounding off numbers, the place value starts from tens place.

Rounding to the nearest whole number: Look at the digit immediately to the right of the decimal point. If it is 5 or greater, round the number up. If it is less than 5, round the number down.

When $24,356$ is rounded, 3 is at the thousand place. 3 is less than 5 , so the rest place will become 0.

Thus, the number will become $24000\n$ when rounded to the nearest thousand.

The number 24,356 rounded to the nearest thousand will become $24000$

Learn more about rounding off numbers here:

brainly.com/question/13391706

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24,356 Rounded to the nearest thousand will be 24000

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