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kodGreya [7K]
3 years ago
5

Which expression is equivalent to 34 ⋅ 3−9?

Mathematics
2 answers:
valina [46]3 years ago
8 0

Answer:

93

Step-by-step explanation:

PEMDAS

parenthesis, exponents, multiplication, division, addition, subtraction

34 x 3 - 9

102 - 9

93

Darya [45]3 years ago
5 0

Answer:

93

Step-by-step explanation:

First we have to use pemdas

so we multiply

34*3=102

the we subtract

102-9=93

so 93 is your answer.

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Factorise the expression 4(x+1)^2-49 . plz solve this i will mark you the brainliest
Vinil7 [7]

Answer:The answer is : Expand the square

4(x+1)the second square - 49

4(x+1)x+1)-49

The solution is : 4x second square + 8x - 45

Step-by-step explanation:

5 0
3 years ago
you are asked to find the mean of the data shown in the stem and leaf plot. which tools are appropriate?
Elina [12.6K]
<span>paper and pencil to record work</span>
8 0
3 years ago
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Given that f(x) = 6x + 2 and g(x) = solve for g(f(1)).
bixtya [17]
f(x)=6x+2\\\\&#10;g(f(1))=6*1+2=6+2=8\\\\&#10;Solution\ is \ g(x)=8
4 0
3 years ago
What is the ratio of x to y?
abruzzese [7]
\frac{3}{2} = \frac{2x}{2x+y}

From any proportion, we get another proportion by inverting the extremes (or the means):

\frac{2x+y}{2} = \frac{2x}{3} = k

so we have:

2x=3k
2x+y=2k therefore:
3k+y=2k
y= - k

x=\frac{3}{2} k

\frac{x}{y} = - \frac{3}{2}

The corect answer is A. -3/2

or:

\frac{3}{2} = \frac{2x}{2x+y}

From any proportion, we get another proportion by inverting the extremes and the means:

\frac{2x+y}{2x} = \frac{2}{3}

We use a property of proportions:

\frac{a}{b} = \frac{c}{d}  where a, d are extremes and b,c are means and the product of the extremes equals the product of the means (a*d=b*c),

so we have

\frac{a-b}{b} = \frac{c-d}{d}  or

\frac{a+b}{b} = \frac{c+d}{d}  (you can check this also by "the product of the extremes equals the product of the means")

\frac{2x+y}{2x} = \frac{2}{3}

\frac{(2x+y)-2x}{2x} = \frac{2-3}{3}

\frac{y}{2x} = \frac{-1}{3}

3y = - 2x

\frac{x}{y} = -\frac{3}{2}



4 0
3 years ago
Horatio wants to ship a batch of 8 machine parts. The packaging for each part weighs 2 pounds. If each part weighs x pounds, whi
Sever21 [200]
Here is what we know:
8 machine parts
each part = x pouunds
packaging for each part is 2 pounds so 16 pounds for packaging

If y=total weight wiith that information we can form this equation 
y=8x + 16

If each part equals 6 pounds the total shipment will be
y=8x+16
y=8(6) + 16
y= 48 + 16
y=64
5 0
3 years ago
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