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LiRa [457]
4 years ago
15

The x-intercept of 2x + 3y = 12

Mathematics
1 answer:
andrezito [222]4 years ago
8 0

Answer:

That would be the 2( and not because of the the x ) it would actually be 2/3x because when u solve it the u should get or I'm guess you should get

y= 2/3x+4

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Help please and thank you​
Lelu [443]

Answer: 30 posts

Step-by-step explanation:

each post is 5 feet apart and 30 x 2 + 45 x 2 = 150 which divided by 5 is 30

7 0
3 years ago
Hi can anyone help me solve the following problems with steps. Thank you! For 12 points. Adding and subtracting Fraction:
Yuliya22 [10]

Answer:

Q1 = 11\frac{2}{9}

Q2 = \frac{19}{24}

Q3 = 1\frac{3}{7}

Q4 = 2\frac{11}{12}

Q5 = \frac{11}{20} of the pizza is left

Step-by-step explanation:

Q1.  4\frac{4}{6} +7\frac{5}{9}

Find Common Denominator

6 = 18

9 = 18

4\frac{12}{18} +7\frac{10}{18}

Then just add the whole numbers and numerators

11\frac{22}{18} or 11\frac{4}{18}

Simplify

11\frac{2}{9}

Q2. 2\frac{5}{8} -1\frac{5}{6}

Find Common Denominator

8 = 24

6 = 24

2\frac{15}{24} -1\frac{20}{24}

Subtract by borrowing

1\frac{39}{24} - 1\frac{20}{24}

Then Subtract

\frac{19}{24}

Q3. 4-2\frac{4}{7}

Convert

3\frac{7}{7} -2\frac{4}{7}

Then subtract

1\frac{3}{7}

Q4. 6\frac{1}{4} -3\frac{1}{3}

Find Common Denominator

4 = 12

3 = 12

6\frac{3}{12} -3\frac{4}{12}

Borrow

5\frac{15}{12} -3\frac{4}{12}

Then Subtract

2\frac{11}{12}

Q5. Maria and Jane bought a whole pizza pie. Marie ate 1/5 of the pie and Jane ate 1/4 of the pie. Write a number sentence to find how much is left of the pie and solve it.

\frac{1}{5} + \frac{1}{4}

Find Common Denominator

5 = 20

4 = 20

\frac{4}{20} +\frac{5}{20}

Then add, after adding, subtract \frac{9}{20} from the whole of the pizza.

\frac{20}{20}-\frac{9}{20} = \frac{11}{20}

Number Sentence:

\frac{1}{5} + \frac{1}{4}=\frac{4}{20} +\frac{5}{20} = \frac{9}{20} \\= \frac{20}{20} -\frac{9}{20}  = \frac{11}{20}

8 0
2 years ago
A product code consists of four letters followed by five digits. Only the letters X, Y, and Z can be used ( and any of the digit
Morgarella [4.7K]

Answer:

\frac{49}{81}, 60.494%

Step-by-step explanation:

I am going to try to tackle this. I might miss a step as I am currently taking discrete mathematics.

We want to find all the possibilities with 1y, 2ys, 3ys, and 4ys, out of all total possibilities.

_ _ _ _   _ _ _ _ _

For the letters, in each spot, we have 3 choices. For the numbers, we have 10 choices in each spot

so

3*3*3*3 * 10*10*10*10*10

= 81*100000

= 8100000

The number of Y's will never affect the number of permutations of the numbers.

So:

For 1 y, we have

Y _ _ _ * 10*10*10*10*10

But we also have

_ Y _ _

_ _ Y _

and

_ _ _ Y

So we can multiply the number we get in one calculation by 4

4 *

Y _ _ _ * 10*10*10*10*10

2*2*2 * 10*10*10*10*10

= 800000 * 4  = 3200000

For 2 y's, we have

YY _ _

_ YY _

__ YY

3*

YY 2*2 * 10^5

4 * 100000

400000 * 3 = 1200000

For 3 y's, we have

YYY _

_ YYY

2 *

YYY 2 * 10^5

200000 * 2

= 400000

For 4 y's, we have

YYYY * 10^5

100000

Now we can add them all up and divide it by our original number 8100000

\frac{100000 + 400000 + 1200000 + 3200000}{8100000} = \frac{49}{81}

7 0
3 years ago
I'm really sick I got Covad-19and I really need help with 15 questions assignment and I'm really tired can't do anything right n
lesantik [10]
Can i see an image?? to help you better
8 0
3 years ago
Calculate the double integral. $$\iint_{R}{\color{red}4} xye^{x^{2}y}\hspace*{3pt}dA, \quad R = [0, 1] \times [0, {\color{red}7}
Lady_Fox [76]

Answer:

\mathbf{\int \int _R \ 4xy e^{x^2 \ y}  \ dA =  2 (e^7 -8)}

Step-by-step explanation:

Given that:

\int \int _R 4xye^{x^2 \ y} \ dA, R = [0,1]\times [0,7]

The rectangle R = [0,1] × [0,7]

R = { (x,y): x ∈ [0,1] and y ∈ [0,7] }

R = { (x,y): 0 ≤ x ≤ 1 and 0 ≤ x ≤ 7 }

\int \int _R \ 4xy e^{x^2 \ y}  \ dA = \int^{7}_{0}\int^{1}_{0} 4xye^{x^2 \ y} \ dx dy

\int \int _R \ 4xy e^{x^2 \ y}  \ dA = \int^{7}_{0} \begin {bmatrix} ye^{yx^2} \dfrac{4}{2y} \end {bmatrix}^1 _ 0 \ dy

\int \int _R \ 4xy e^{x^2 \ y}  \ dA = \int^{7}_{0} \begin {bmatrix} ye^{y1^2} \dfrac{4}{2y} - ye^{y0^2} \dfrac{4}{2y} \end  {bmatrix}\ dy

\int \int _R \ 4xy e^{x^2 \ y}  \ dA = \int^{7}_{0} \dfrac{4}{2}(e^y -1) \ dy

\int \int _R \ 4xy e^{x^2 \ y}  \ dA =  \dfrac{4}{2}[e^y -1]^7_0 \ dy

\int \int _R \ 4xy e^{x^2 \ y}  \ dA =  2 [(e^7 -7)-(e^0 -0)]

\int \int _R \ 4xy e^{x^2 \ y}  \ dA =  2 [(e^7 -7)-1]

\mathbf{\int \int _R \ 4xy e^{x^2 \ y}  \ dA =  2 (e^7 -8)}

3 0
4 years ago
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