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zzz [600]
2 years ago
5

Find an expression which represents the difference when (-5x-y) is subtracted from (9x+2y) in simplest terms.

Mathematics
1 answer:
AnnyKZ [126]2 years ago
4 0

Answer:

4x+y add like terms ... -5+9=4 and  -y(or -1)+2y=y

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Kayla has 18 bottles of bubbles. She wants to give 2 bottles to each of her 6 friends. How many bottles will she have left over?
MatroZZZ [7]

Answer: she would have 6 bottles left, (18/2)/6

Step-by-step explanation:

she has 18 bottles, when you divide it by two, she could give two bottles to 9 people. but, she only wants to give it to 6 friends. meaning that she would be left with 3 pairs of bubbles. as in, 6 bottles.

8 0
2 years ago
The cone volume of 180 1/4 and a radius of square of 9. What is the height?
Lerok [7]

Answer:

h≈2.12

Radius =9

volume = 180

Step-by-step explanation:

v=\pi r^{2} \frac{h}{3}

h=3V  / πr2=3· 180  / π·9^2 ≈ 2.12207

7 0
3 years ago
Proving trapezoid theorems Geometry
Artist 52 [7]

Answer:

ΔABD ≅ ΔACD by SAS, therefore;

\overline {BD} \cong \overline {CA} by CPCTC

Step-by-step explanation:

The two column proof is presented as follows;

Statement {}                   Reason

ABCD is a trapezoid {}  Given

\overline {BA} \cong \overline {CD}  {}                   Given

\overline {BC} \parallel \overline {AD}   {}                   Definition of a trapezoid

ABCD is an isosceles trapezoid  {}    Left and right leg are equal

∠BAD ≅ ∠CDA  {}          Base angle of an isosceles trapezoid are congruent

\overline {AD} \cong \overline {AD}   {}                  Reflexive property

ΔABD ≅ ΔACD   {}         By SAS rule of congruency

\overline {BD} \cong \overline {CA}   {}                  CPCTC

CPCTC; Congruent Parts of Congruent Triangles are Congruent

SAS; Side Angle Side rule of congruency

8 0
2 years ago
Read 2 more answers
Help!
nikklg [1K]

Answer:

E      

Step-by-step explanation:

19)        Amount of oil in   =    amount of oil in final product

       .025(x) + .09(40-x)    =    .055(40)      (x = 2.5% amt   40 - x = 9% amt)

  x = 21.54 L  of   2.5 %     then 9% = 18.46 L

3 0
2 years ago
Help with 5 questions pleaseeee
nevsk [136]
The answer is g(x)=12x±2
8 0
3 years ago
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