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3 years ago

1) Sam has 128 marbles . How many hundreds are in this number?

Mathematics

2 answers:

mel-nik [20]3 years ago

8 0

One ,a number with 8 in the tens place would be 181

professor190 [17]3 years ago

7 0

There are 100 hundreds in this number, and the number with the 8 in the tens place is any number with the digit 8 in the tens place

: 583, 4,085, 307,583 it says A number so it can be any number but it has to have a 8 in the tens place.

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Original price of shorts $53.95 Discount 30% Tax 4.5 percent %

Alla [95]

Answer:

$39.50 is the final payment.

Step-by-step explanation:

0.3 x 53.95 = 16.185

53.95 - 16.185

= 37.765

0.045 x 37.765 = 1.699425 + 37.765

= 39.464425 and round

5 0

2 years ago

The sum of three numbers is 8. The third is 9

Ierofanga [76]

Answer:

→ First value is 1

→ Second value is 2

→ Third value is 5

Step-by-step explanation:

• let numbers be x, y and z

${ \tt{z = 8y - 9 - - - (eqn \: 1)}} \\ \\ { \tt{10x = 8y - 7 - - - (eqn \: 2)}} \\ \\ { \tt{x + y + z = 8 - - - (eqn \: 3)}}$

• from eqn 2, make x the subject:

${ \tt{x = \frac{8y - 7}{10} }} \\$

• substitute all variables in eqn 3:

${ \tt{ \frac{8y - 7}{10} + y + 8y - 9 = 8}} \\ \\ { \tt{8y - 7 + 10y + 80y - 90 = 80}} \\ \\ { \tt{98y = 177}} \\ \\ { \boxed{ \tt{ \: y = 1.8}}}$

• find z

${ \tt{z = 8y - 9}} \\ \\ { \tt{z = 8(1.8) - 9}} \\ \\ { \tt{z = 14.4 - 9}} \\ \\ { \boxed{ \tt{ \: z = 5.4 \: }}}$

• find x:

${ \tt{x = \frac{8(1.8) - 7}{10} }} \\ \\ { \tt{x = \frac{7.4}{10} }} \\ \\ { \boxed{ \tt{ \: x = 0.74 \: }}}$

Rounding to nearest value:

${ \boxed{ \rm{x = 1}}} \\ { \boxed{ \rm{y =2 }}} \\ { \boxed{ \rm{z = 5}}}$

7 0

2 years ago

How many solutions does x2 = 9 have?

MrRa [10]

It should have 2 solutions

5 0

2 years ago

Read 2 more answers

The two sides of a right triangle that are not the hypotenuse are called

IceJOKER [234]

I believe they are called the "Legs." They are also referred to as the opposite and adjacent sides. :)

8 0

3 years ago

Stacy has $500 in her bank account at the beginning of the summer she wants to have no less than 200 in the account by the end o

Papessa [141]

Answer: Summer has 13 weeks so 18 x 13 is 234 and 500-234 is 266 so she can do it for 16 weeks

4 0

3 years ago