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drek231 [11]
3 years ago
8

Pls help this is my last problem today and idk how to do it..

Mathematics
2 answers:
DochEvi [55]3 years ago
5 0

Answer:

i honestly thin it might be 8 or4

Step-by-step explanation:

lana [24]3 years ago
3 0
C= 7^2 plus 9^2= 122
C=sqrt 122
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The forumal below is used to convert a temputure in degrees celsius, C, to a tempurturein degrees fahrenheit, F.
Vika [28.1K]

Answer:

59 F

Step-by-step explanation:

F=1.8C+32

Let C = 15

F = 1.8 (15) +32

Multiply 1.8 times 15

F = 27+32

F = 59

15 degrees C is 59 degrees F

5 0
3 years ago
Can someone help me?
ruslelena [56]

Answer:

Step-by-step explanation:

Yeah.I would be glad to.

What do you need help with?

8 0
3 years ago
16 / 4 * (3 - 1)<br><br> a) 2<br> b) 4<br> c) 8
Luda [366]

Hello,

if :

\frac{16}{4(3 - 1)}  =  \frac{16}{4 \times 2}  =  \frac{16}{8}  = 2

if :

\frac{16}{4}  \times (3 - 1) = 4(3 - 1) = 4 \times 2 = 8

4 0
2 years ago
Read 2 more answers
Miles incorrectly gave the product of 7 × 2.6 as 14.42. Use a place value chart or an area model to help Miles understand his mi
svetlana [45]
  • Place value chart: 7 x 2.6 = 18 ones plus 2 tenths = 18.2
  • Area model: 7 x 2.6 = 14 + 4.2 = 18.2
<h3>Further explanation</h3>

Miles incorrectly gave the product of 7 x 2.6 as 14.42.

Let us use a place value chart or an area model to help Miles understand his mistake.

See the attached picture for the place value chart and area model.

<u>Place Value Chart</u>

7 x 2.6 is the same as 7 multiplied by 2 ones and 6 tenths. In other words, we see clearly that 7 multiplied by 2 plus 7 multiplied by 0.6.

  • We prepare two columns of ones and tenths separated by dots.
  • In the ones column, place two dots on each row until it reaches 7 rows. This means 7 times 2 equal to 14 dots.
  • In the tenth column, place six dots on each row until it reaches 7 rows. This means 7 times 0.6.
  • In the tenth column, every time it reaches 10 dots, it becomes 1 ones which are added to the dots in the ones column.
  • There are 4 additional dots in the ones column as a result of each 10 dots in the tenth column. We add 14 dots with 4 dots and the result is 18 ones.
  • The remaining dots in the tenth column will be added with all the dots in the ones column. There are two dots left so that it becomes 2 tenths.

\boxed{ \ 7 \times 2.6 = 18 \ ones \ plus \ 2 \ tenths = \boxed{ \ 18.2 \ } \ }

<u>Area Model</u>

7 x 2.6 is the same as 7 multiplied by 2 ones and 6 tenths.

  • Let 2 ones and 6 tenths as the length and 7 as the width of a rectangle.
  • 7 x 2 ones = 14 ones or 14.
  • 7 x 6 tenths = 42 tenths or 4.2.
  • The area of the rectangle is 14 ones plus 42 tenths, or 14 plus 4.2.

\boxed{ \ 7 \times 2.6 = 14 + 4.2 = \boxed{ \ 18.2 \ } \ }

<h3>Learn more</h3>
  1. The example of a question about the four types of number form  770,070 brainly.com/question/4725342
  2. 2 thousands 7 tens divided by 10 brainly.com/question/1648434
  3. What is the difference in the value of 7 at 67,908 and 76,908 in the unit form? brainly.com/question/120717

Keywords: Miles, incorrectly, gave the product of, 7 x 2.6 as 14.42, a place value chart, an area model, understand his mistake, 18.2, ones, tenths, dots, column

3 0
3 years ago
A man drops a ball from the top of a 300 foot cliff. The height of the falling ball is modeled
netineya [11]

Answer:

The ball reaches 44 ft above the ground after 4 sec.

Step-by-step explanation:

Set h(t)=-16t^2+300 equal to 44 feet and solve for time, t.  Indicate exponentiation with " ^ "

-16t^2 + 300 = 44 becomes

-16t^2 + 256 = 0, or 16t^2 = 256.  Then, taking the square root of both sides, we get:

4t = 16, or t = 4 sec.  The ball reaches 44 ft above the ground after 4 sec.

5 0
3 years ago
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