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3 years ago

Which expression is equivalent to 4 + 3 (5 + ×)

Mathematics

2 answers:

Deffense [45]3 years ago

4 0

Step-by-step explanation:

$4 + 3(5 + x)\\4 + (3 * 5 ) + (3 * x)\\4 + 15 + 3x$

s344n2d4d5 [400]3 years ago

3 0

Answer:

3x+19

Step-by-step explanation:

Let's simplify step-by-step.

4+3(5+x)

Distribute:

=4+(3)(5)+(3)(x)

=4+15+3x

Combine Like Terms:

=4+15+3x

=(3x)+(4+15)

=3x+19

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Find the equation of the line.

Ymorist [56]

Answer:

y = 0,5 x + (-3)

Step-by-step explanation:

We can see from the graph that when y = -3, the line crosses y axis, therefore

y = ? x + (-3)

We can also spot that when x = 6, y = 0

// now mark ? sign as a variable k and put the given x and y values into the previous expression

y = k * x - 3

0 = k * 6 - 3

k * 6 = 3

k = 3/6

k = 0,5

3 0

2 years ago

ΔABC and ΔXYZ are similar triangles. The lengths of two sides of each triangle are shown. Find the lengths of the third side of

Norma-Jean [14]

Answer:

b=9

x=5.5

Step-by-step explanation:

find the common ration

AB is 6, and XY is 3 (they are the corresponding sides)

ratio is 2 to 1 (6/3=2/1)

AC corresponds with YZ

XY is 4.5 so b is 4.5*2=9

ZY corresponds with CB

CB is 11, since XYZ is the smaller divide by 2 instead of multiplying by 2

4 0

2 years ago

The principal of a middle school claims that test scores of the seventh-graders at his school vary less than the test scores of

AveGali [126]

Answer:

There is sufficient evidence to support the claim that the standard deviation is less than 14.7.

Step-by-step explanation:

From the question we are told that that the null hypothesis is

$H_o : \sigma < 14.7$

Now given from the question that this null hypothesis was rejected, it mean, in non technical term that there is sufficient evidence to support the claim that the standard deviation is less than 14.7.

3 0

3 years ago

7y+65.7=2 true or false(don't answer that I just don't want this taken down(unless you do actually have the answer) is anyone in

Sophie [7]

It's false and same lol

8 0

2 years ago

What is the square root of 45600 in fraction

Archy [21]

Answer:

The square root of 45600 is 20 $\sqrt{114}$

Step-by-step explanation:

One fraction that can be form is $\frac{20\sqrt{x}}{1}$

8 0

3 years ago