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4 years ago

Pls help me!!!!! Number line

Mathematics

2 answers:

sleet_krkn [62]4 years ago

8 0

Answer:

Step-by-step explanation:

Consider perfect squares on either side of 42, that is

36 < 42 < 49 , thus

$\sqrt{36}$ < $\sqrt{42}$ < $\sqrt{49}$ , that is

6 < $\sqrt{42}$ < 7 → b

kozerog [31]4 years ago

5 0

Answer: between 6 and 7

Since 6² is 36 and 7² is 49, the square root of 42

would fall somewhere in between these.

Look below.

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Cody was 165\,\text{cm}165cm tall on the first day of school this year, which was 10\%10% taller than he was on the first day of

Doss [256]

Answer:

165 cm.

Step-by-step explanation:

Let h be the height of Cody on the first day of school last year.

We have been given that Cody was 165 cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

To find the height of Cody on the first day of school last year, we need to find h such that h plus 10% of h equals 165. We can represent this information in an equation as:

$h+10\%\text{ of }h=165$

$h+(\frac{10}{100}*h)=165$

$h+0.10*h=165$

$1.10*h=165$

Let us divide both sides of our equation by 1.10.

$\frac{1.10*h}{1.10}=\frac{165}{1.10}$

$h=150$

Therefore, Cody was 150 cm tall on the first day of school last year.

5 0

4 years ago

BEST ANSWER GETS BRAINLIEST!!!!!!!!

Ad libitum [116K]

Answer:

(x + 6, y + 0), 180° rotation, reflection over the x‐axis

Step-by-step explanation:

The answer can be found out simply , a trapezoid has its horizontal sides usually parallel meanwhile the vertical sides are not parallel.

The horizontal parallel sides are on the x-axis.

Reflection over y- axis would leave the trapezoid in a vertical position such that the trapezoid ABCD won't be carried on the transformed trapezoid as shown in figure.

So option 1 and 2 are removed.

Now, a 90 degree rotation would leave the trapezoid in a vertical position again so its not suitable again.

In,The final option (x + 6, y + 0), 180° rotation, reflection over the x‐axis, x+6 would allow the parallel sides to increase in value hence the trapezoid would increase in size,

180 degree rotation would leave the trapezoid in an opposite position and reflection over x-axis would bring it below the Original trapezoid. Hence, transformed trapezoid A`B`C`D` would carry original trapezoid ABCD onto itself