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KengaRu [80]
3 years ago
5

Please help me with this math problem I cannot figure it out

Mathematics
1 answer:
expeople1 [14]3 years ago
5 0
Answer: slope is 1/3

Explanation: you can use the slope formula to find the answer m= y2-y1 / x2-x1
You might be interested in
What mass of solid that has a molar mass of 89.0 g/mol should be added to 100.0 g of benzene to raise the boiling point of benze
KATRIN_1 [288]

The required mass of the solid is 8.52g. Hence option B is correct.

We have,
mb = mass/89.0, ΔTb = 2.42° C and Kb = 2.53°C•kg/mol.

<h3>What is mass?</h3>

Mass of the object is defined as the space occupied by an object.

Given equation, ΔTb=Kb x mb
2.42 = 2.53 x mb
mb =0.95
mass / 89.0 x 0.1 = 0.95
mass = 8.52 g

Thus, the required mass of the solid is 8.52g.

learn more about mass here:
brainly.com/question/19694949


#SPJ1



8 0
2 years ago
Let r be the region bounded by y = x 2 and y = 9. find a and b so that the horizontal lines y = a and y = b split the region r i
Arturiano [62]

y = x² has a lower bound at the vertex (0, 0); <em> y = 0</em>

y = 9 has an upper bound at y = 9

x² = 9   ⇒  x = +/- 3  the region is bounded on the left at x = -3 and on the right at x = 3

Solve the integral from -3 to 3 to find the area under the curve, then multiply by 1/3 to calculate 1/3 of the area.

\int\limits^3_3 (9 - {x^{2}}) \, dx = (9x - x³/3) | from -3 to 3

= (9(3) - 3³/3) - (9(-3) - (-3)³/3)

= (27 - 9) - (- 27 - (-9))

= 16 - (-16)

= 32

*** 32/3 is 1/3 of the area ****

Now that we know what 1/3 of the area is, we can find the height <em>at y = a</em> which will satisfy 1/3 of the area. We do this by solving the integral from "0 to a" and setting it equal to 1/3 of the area (32/3).

\int\limits^a_0 (9 - {x^{2}}) \, dx - a(9 - a²)

=  (9x - x³/3) | from 0 to a   - (9a - a³)

= (9a - a³/3) - (9(0) - (0)³/3) - 9a + a³

= 9a - a³/3 - 9a + a³

= a³ - a³/3

= 2a³/3

32/3 = 2a³/3

32 = 2a³

16 = a³

∛16 = a  

2∛2 = a  (This is the distance from the upper bound (y = 9)

Answer: y = 9 - 2∛2

Follow the same steps using 2/3 of the area (64/3) to find "b".

64 = 2b³

32 = b³

∛32 = b   3.17

2∛4 = b  (This is the distance from the upper bound (y = 9)

Answer: y = 9 - 2∛4


8 0
3 years ago
2. Mang Danny bought a cellphone worth Php 7500 and he's selling it for Php 9000. How much is the markup?
m_a_m_a [10]

Answer:

php 1500

24 pesos

Step-by-step explanation:

Purchase price = 7500

Amount sold = 9000

The markup will be :

Amount sold - purchase price

9000 - 7500

= php 1500

2.)

Price = 80 pesos

Markup rate % = 30

The Markup = 30% * 80

Markup = 0.3 * 80

Markup = 24 pesos

4 0
3 years ago
The local baseball team won the national championship last year. At the start of the baseball season, shirts signed by the team
LenKa [72]

Answer:

Step-by-step explanation:

Multiplier: -175/3 Decrease: 23⅓ %

Step-by-step explanation: 75 = 250 - 3(d) d = -175/3 Y = 250 - (175/3)m

Where m is the no.

of months Y is the new value

(175/3)/250 × 100 = 70/3 %

Or 23⅓ %  

3 0
3 years ago
A red die is tossed and then a green die is tossed. What is the probability that red die shows a number larger than three and th
makkiz [27]
If you roll two fair dice, a green one and a red one?
A= are the outcomes on the dice independent?
B= Find P(1 on green die and 2 on red die)
C= Find P(2 on green die and 1 on red die)
D= Find P(1 on green die and 2 on red die) or (2 on green die and 1 on red die)

A= yes
B= p(1)*(p2)=1/6*1/6=1/36
C= p(2)*(p1)=1/36
D= 1/36=1/18 I hope it helps !
4 0
2 years ago
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