2 years ago

Help me please :''(

Mathematics

1 answer:

ki77a [65]2 years ago

4 0

1/4 2/5 83/100 100/100

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Finish the polynomial by adding one number to make it a perfect square x^2+18x+

dsp73

Answer:

Step-by-step explanation:

${x}^{2} + 18x + {(( \frac{1}{2})(18)) }^{2}$

${x}^{2} + 18x + {9}^{2}$

${x}^{2} + 18x + 81$

${(x + 9)}^{2}$

6 0

2 years ago

The price of an item has been reduced by 75%. The original price was 35

olasank [31]

Answer:

75% of 35 is 8.75

Step-by-step explanation:

5 0

3 years ago

Two semicircles are attached to the sides of a rectangle as shown.

melomori [17]

Answer:

$157\ in^{2}$

Step-by-step explanation:

we know that

The area of the figure is equal to the area of rectangle plus the area of two semicircles

The area of rectangle is equal to

$A=14*5=70\ in^{2}$

The area of the small semicircle is equal to

$A=\pi r^{2} /2$

$r=5/2=2.5\ in$ -----> radius is half the diameter

substitute

$A=(3.14)(2.5^{2})/2=9.8125 in^{2}$

The area of the larger semicircle is equal to

$A=\pi r^{2} /2$

$r=14/2=7\ in$ -----> radius is half the diameter

substitute

$A=(3.14)(7^{2})/2=76.93\ in^{2}$

The area of the figure is equal to

$70+9.8125+76.93=156.7425=157\ in^{2}$

8 0

3 years ago

Read 2 more answers

Which equation is NOT a linear function?

brilliants [131]

It’s B y= x + 3 or C

8 0

3 years ago

For what values of x: Is the binomial 7x+1 equal to the trinomial 3x2−2x+1?

klemol [59]

Answer:

No it is not. #markasbrainliest

8 0

3 years ago

Help me please :''(​

Help me please :''(