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statuscvo [17]
2 years ago
7

What is the value of the expression 2 x 33 + 17 + 5 x 8

Mathematics
1 answer:
snow_lady [41]2 years ago
5 0

Answer:

Correct answer of this question is 123

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Solve.<br> y=x - 7<br> 5+2y=7
lesantik [10]

Answer:

\huge\boxed{x=8;\ y=1\to(8;\ 1)}

Step-by-step explanation:

\left\{\begin{array}{ccc}y=x-7&(1)\\5+2y=7&(2)\end{array}\right\\\\\text{Substitute (1) to (2) and solve for x:}\\\\5+2(x-7)=7\qquad\text{use the distributive property}\\\\5+(2)(x)+(2)(-7)=7\\\\5+2x-14=7\\\\2x+(5-14)=7\\\\2x-9=7\qquad\text{add 9 to both sides}\\\\2x-9+9=7+9\\\\2x=16\qquad\text{divide both sides by 2}\\\\\dfrac{2x}{2}=\dfrac{16}{2}\\\\\boxed{x=8}

\text{Substitute it to (1):}\\\\y=8-7\\\\\boxed{y=1}

8 0
3 years ago
Read 2 more answers
the flower shop had 40 times as many flowers in one cooler as Julia has in her bouquet the cooler has 120 flowers how many flowe
Softa [21]

Answer:

3 flowers are in Julias bouquet

Step-by-step explanation:

120 divided by 40 = 3

6 0
3 years ago
How would the expression x^3+64 be rewritten using sum off cubes
Mamont248 [21]
\bf \textit{difference of cubes}&#10;\\ \quad \\&#10;a^3+b^3 = (a+b)(a^2-ab+b^2)\qquad&#10;(a+b)(a^2-ab+b^2)= a^3+b^3 \\ \quad \\&#10;a^3-b^3 = (a-b)(a^2+ab+b^2)\qquad&#10;(a-b)(a^2+ab+b^2)= a^3-b^3\\\\&#10;-------------------------------\\\\&#10;\boxed{64=4^3}\qquad x^3+64\implies x^3+4^3\implies (x+4)(x^2-x4+4^2)&#10;\\\\\\&#10;(x+4)(x^2-4x+16)
8 0
3 years ago
Read 2 more answers
Please help! can you explain it to me?
Semenov [28]

Answer:

It is increasing before x = -2 and from x = 0 to x = 2

Step-by-step explanation:

Option 1 - you can see the line going down starting at -2 and that means the line is decreasing but the choice says "It is increasing before x = 0". This contradicts the actual graph.

Option 2 - The line isn't increasing before x= -1, it's actually decreasing as seen in the graph.

Option 3 - The line doesn't even touch the point before x = -3 so this choice makes no sense.

Option 4 - Since all the other choices were eliminated this is the only choice standing. Looking at the line it is increasing before x = -2.

7 0
2 years ago
Not sure on how to solve anymore.<br> A)43.92<br> B)41.45<br> C)68.87<br> D)33.1
Alenkasestr [34]
Sin (37°) = opposite side/Hypotenuse

sin (37°) =CV/55 →CV = 55.si  (37°)

CV = 55 x (0.601815)
CV= 33
3 0
3 years ago
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