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masha68 [24]
4 years ago
6

skip wants to buy a new cell phone the cost of the cell phone is $313.95,including tax he has saved $127.95 he mows three lawns

twice a month he will earn the same amount of money for each lawn how much money must skip charge for each lawn to earn the exact remaining amount needed in one month?
Mathematics
1 answer:
11111nata11111 [884]4 years ago
6 0
$31 per lawn? This one is kind of confusing but if he charges 31 per lawn, that means 31 x 6 equals 186 which is the remaining balance that he needs.
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Divide<br> (i) 448 ÷ (-7)<br><br><br><br><br> I need it now <br> please someone
Anna11 [10]
=448/(_7
=-64
Therefore the correct answer is-64
7 0
2 years ago
Read 2 more answers
(5x² - 8x + 1) + (2x2 - 4x - 11)
Y_Kistochka [10]

Answer:

7x^2 −12x−10

Step-by-step explanation:

 ((5x2 -  8x) +  1) +  (2x2 - 4x - 11)

Factoring  7x2-12x-10

The first term is,  7x2  its coefficient is  7 .

The middle term is,  -12x  its coefficient is  -12 .

The last term, "the constant", is  -10

Step-1 : Multiply the coefficient of the first term by the constant   7 • -10 = -70

Step-2 : Find two factors of  -70  whose sum equals the coefficient of the middle term, which is   -12 .

     -70    +    1    =    -69

     -35    +    2    =    -33

     -14    +    5    =    -9

     -10    +    7    =    -3

     -7    +    10    =    3

     -5    +    14    =    9

     -2    +    35    =    33

     -1    +    70    =    69

Observation : No two such factors can be found !!

Conclusion : Trinomial can not be factored

3 0
3 years ago
A scuba diver is swimming 28 feet below the water’s surface. The diver swims up slowly at a rate of 0.3 feet per second for 6 se
NISA [10]

Answer:

27.4 feet down deep

Step-by-step explanation:

28 feet down, swins up for 0.3 feet times 6 or 1.8 feet up

leaving a total of 26.2 under the sea and he swims back down at 0.3 feet times 4 or 1.2 feet down. and the new total is 26.2 + 1.2 which equals 27.4 feet down in the deep sea

8 0
3 years ago
Read 2 more answers
Find an equation in standard form for the hyperbola with vertices at (0,plus or minus 6) and asymptotes at y= (plus or minus 3/5
antoniya [11.8K]

Answer:

\frac{(y)^2}{36}-\frac{(x)^2}{100}=1

Step-by-step explanation:

Given:

Vertices of Hyperbola : (0 ± 6) or (0,6) and (0,-6)

and asymptotes at y= (±3/5)x 0r y= 3/5 x and y=-3/5 x

The vertices are of vertical hyperbola. The equation used will be:

\frac{(y-k)^2}{a^2}-\frac{(x-h)^2}{b^2}=1\\

The Center of hyperbola (h,k) =(0,0)

The Distance from vertices to center is a and a = 6 (given)

For equation we have value of h,k and a and need to find value of b

we know,

y= k ± a/b (x-h)

Values of h and k are zero

y= 0 ± a/b (x-0)

y= (± a/b ) x

We are given asymtotes at y= (± 3/5)x which is equal to y= (± a/b ) x

as a = 6 then b= 10 i.e The simplified form of 6/10 is 3/5 so value of b=10

Putting values of a,b,h and k in equation we get,

\frac{(y-0)^2}{(6)^2}-\frac{(x-0)^2}{(10)^2}=1\\\\\frac{(y)^2}{36}-\frac{(x)^2}{100}=1

7 0
4 years ago
20. Find the missing side. Round to the nearest tenth.
nikdorinn [45]

Answer:

A

Step-by-step explanation:

Note

One thing you should automatically notice is that x is larger, much larger than 20. x is the hypotenuse of a right triangle

Formula

Sin(18) = opposite side / hypotenuse

Givens

Sin(18) = 0.30902

opposite = 20

hypotenuse = x

Solution

sin(18) = 20 / x                            Multiply both sides by x

x sin(18) = 20*x /x

x sin(18) = 20                              Divide by sin(18)

x sin(18) / sin18 = 20/sin(18)

x = 20 / 0.30902

answer: x = 64.72

8 0
3 years ago
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