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Ksenya-84 [330]
2 years ago
8

Find the value of x, & y. 3x-y+8x-7=x+2y+5x+3y

Mathematics
1 answer:
Advocard [28]2 years ago
5 0
Please rewrite this equation(s) using parantheses than needed 

thank you 
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A recipe for lemon cranberry pound cake calls for 80 milliliters of lemon juice and 240 milliliters of plain yogurt. How many li
igor_vitrenko [27]
We know that
1 liter------------> is equal to 1000 ml

if for one cake--------------> are required 80 milliliters of lemon juice
<span> for 11 cakes--------------> X
X=11*80---------> 880 ml

</span>if for one cake--------------> are required 240 milliliters of plain yogurt
 for 11 cakes--------------> X
X=11*240---------> 2640 ml

<span>liters of lemon juice needed to make 11 cakes
880 ml/1000------> 0.88 lt

</span><span>liters of yogurt needed to make 11 cakes
2640 ml/1000--------> 2.64 lt

the answer is
are needed 0.88 lt </span>of lemon juice and 2.64 lt of yogurt to make 11 cakes<span>

</span>
7 0
2 years ago
Read 2 more answers
If the diagonal of a square is 11.3 meters, approximately what is the perimeter of the square
Natalija [7]
The length of each side can be found using pythagoras theorem:-

11.3^2 = 2x^2     where x = length od each side
x = sqrt( [11.3^2  / 2)
x =  7.99 meters
5 0
2 years ago
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Find the greatest number which divides by 1280 and 1371 leaves a remainder in each case?
vladimir1956 [14]
1279???
Because the gcf does not leave any remainders behind. The gcf could be 1280, but that would not leave a remainder behind if you divided 1280 by 1280. So, I think it is 1279, but i am probably wrong
4 0
1 year ago
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Aubrey and Charlie are driving to a city that is 120 mi from their house. They have already traveled 20 mi, and they are driving
sineoko [7]
<span>D=20+50t 120=20+50t 50t=100 t=2 hours Domain of t from t=-(2/5)hr to t=2hr. Since they already drove 20 miles. [-2/5,2]</span>
5 0
2 years ago
In △XYZ, m∠Z = 34, x = 61 cm, and z = 42 cm. Find m∠X. Round your answer to the nearest tenth of a degree.
Elza [17]
M∠X = 54.3°.

Using the Law of Sines, we have:
\frac{\sin{Z}}{z}=\frac{\sin{X}}{x}&#10;\\&#10;\\\frac{\sin{34}}{42}=\frac{\sin{X}}{61}

Cross multiplying gives us
61(sin 34) = 42(sin X)

Divide both sides by 42:
(61(sin 34))/42 = (42(sin X))/42
(61(sin 34))/42 = sin X

Take the inverse sine of both sides:
sin⁻¹((61(sin 34))/42) = sin⁻¹(sin X)
54.3 = X
8 0
2 years ago
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