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lianna [129]
4 years ago
9

The number of blocks has 9 in the ones place.the number in the hundreds place is one more than the number in the tens place thos

e two numbers equal 11 how many blocks are there
Mathematics
2 answers:
kolbaska11 [484]4 years ago
8 0
There are 659 blocks.
marusya05 [52]4 years ago
7 0
Hirally Clinton XD your pretty that's the answer XD
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The average speed of one airplane is 200 mph faster than that of an automobile. If the automobile starts at 3 a.m. and the airpl
Veronika [31]
 <span>time for airplane = 11 am to 1 pm = 2 hr 
distance travelled by plane = 2a ------- (speed of plane is a mph) 

time for auto = 3 am to 1 pm = 10 hr 
distance travelled by plane = 10(a – 200) 

2a = 10(a – 200) 
8a = 2000 
a = 250 mph ----- plane 
and 250 – 200 = 50 mph ----- auto </span>
5 0
3 years ago
Find the perimeter AND area of the parallelogram ABCD. Show all work
nexus9112 [7]

Since, this is parallelogram

so, opposite sides are equal

We will find value of sides

Calculation of AB:

we are given point A=(-2,3)

point B=(4,0)

we can use distance formula

d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

now, we can plug values

AB=\sqrt{(4+2)^2+(3-0)^2}

AB=3\sqrt{5}

Since, this is parallelogram

so, opposite sides are equal

so,

CD=AB=3\sqrt{5}

Calculation of AD:

point A =(-2,3)

point D=(-5,2)

we can use distance formula

d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

now, we can plug values

AD=\sqrt{(-5+2)^2+(2-3)^2}

AD=\sqrt{10}

Since, this is parallelogram

so, opposite sides are equal

so,

BC=AD=\sqrt{10}

Calculation of AE:

point A=(-2,3)

point E=(-3,1)

we can use distance formula

d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

now, we can plug values

AE=\sqrt{(-3+2)^2+(1-3)^2}

AE=\sqrt{5}

(a)

we know that

perimeter of a parallelogram is sum of all sides

so,

perimeter is

=AB+BC+CD+DA

now, we can plug values

=3\sqrt{5}+\sqrt{10}+3\sqrt{5}+\sqrt{10}

=6\sqrt{5}+2\sqrt{10}...........Answer

(b)

we can use area of parallelogram formula

A=AE\times CD

we can plug values

A=\sqrt{5}\times 3\sqrt{5}

A=15............Answer


4 0
3 years ago
The side lengths of a right triangle are 24 , 45 , and 51 . Determined which is the length of the hypotenuse
HACTEHA [7]
The side length 51 is the hypotenuse.
24*24+45*45=2601
The square root of 2601 is 51.
Please note that the hypotenuse is most likely the longest side.
5 0
4 years ago
Help pleaseeeeeeee help
Natalija [7]
Your correct answer is C
7 0
3 years ago
Read 2 more answers
20 points! Brainliest! Need help
antiseptic1488 [7]

Answer:

  • n = 5q; 25q+5n = 200
  • (n, q) = (20, 4)
  • Margie has 20 nickels and 4 quarters

Step-by-step explanation:

a) Using the defined variables, we can translate the problem statements to equations:

  • n  = 5q . . . . Margie has 5 times as many nickels as quarters
  • 25q + 5n = 200 . . . . the total value of Margie's coins is 200 cents

__

b) Substituting for n, we have ...

  25q +5(5q) = 200

  50q = 200 . . . . . . . collect terms

  q = 200/50 = 4 . . . divide by the coefficient of q

  n = 5·4 = 20

The solution is (n, q) = (20, 4).

__

c) Since n represents the number of nickels Margie has, n=20 means Margie has 20 nickels. Similarly, q=4 means Margie has 4 quarters.

8 0
4 years ago
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