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max2010maxim [7]

4 years ago

7

There are a total of 78 baseball and football cards in a box. The ratio of baseball cards to football cards 8 to 5. How many bas

eball cards are in the box?

2 answers:

Ierofanga [76]4 years ago

7 0

8 baseball cards + 5 football cards= 13 cards
8 baseball cards per every 13 total cards.
78÷13=6
6×8= 48
48 Baseball Cards in total

Phantasy [73]4 years ago

5 0

Should be 48 baseball cards in the box, hope this helps!

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b is the midpoint of AC and E is the midpoint of BD if A(-9,-4) C(-1,6) and E(-4,-3) find the coirdinates of D

natima [27]

To find the coordinate of the point D, we can use the Midpoint point of a line Segment formula. Calculation of the formula are as follows,

Given two points A(x1,y1) and C(x2,y2), we need to locate the midpoint coordinate of this line denoted as B(x,y).

To solve for the value of x and y, we get,

x=(x1+x2)/2 and y=(y1+y2)/2

For the given problem, we need to solve first the midpoint coordinate of AC which is B.

So, A(-9,-4)=A(x1,y1) and C(-1,6)=C(x2,y2)

Hence,

B(x,y)=B((-9+(-1))/2, (-4+6)/2)=B(-10/2,2/2)=B(-5,1)

Now, since the midpoint is given but one point in the line is missing. To solve for the missing point D(x2,y2), we need to use the Midpoint Segment Formula.

That is, B(-5,1)=B(x,y) and E(-4,-3)=E(x1,y1)

So,

x=(x1+x2)/2 and y=(y1+y2)/2

-5=(-4+x2)/2 and 1=(-3+y2)/2

By Cross Multiplication and Transposing method,

-5(2)=-4+x2 and 1(2)=-3+y2

x2=-10+4=-6 and y2=3+2=5

Thus, the coordinate of D is D(-6,5).

5 0

4 years ago

10 POINTS!!<br> Find x. Assume that any segment that appears to be tangent is tangent.

Mice21 [21]

Answer:

10

Step-by-step explanation:

130+40+x =180

x=10

option 2 is correct

7 0

4 years ago

ellie is preheating her oven before using it to bake. the initial temperature of the oven is 65° and the temperature will increa

11111nata11111 [884]

Answer:

The temperature of the oven after 6 minutes is 125 degrees and after 10 minutes its 165 degrees.

Step-by-step explanation:

10 x 6 = 60

60+65=125

10 x 10 = 100

100+65=165

8 0

3 years ago

A countertop is 16ft long & 3ft wide what is the area in square meters

astra-53 [7]

ANSWER

Find out the area of the countertop in square meters .

To proof

As given

A countertop is 16ft long & 3ft wide.

A countertop is in the shape of the rectangle.

FORMULA

Area of a rectangle = length × breadth

long = 16ft

wide = 3ft

put the value

we get

Area of a countertop = 16 ×3

= 48 feet²

1 meter = 3.281 feet

$1feet = \frac{1}{3.281} meter$

convert Area of a countertop in square meters

$= \frac{48\times1\times1}{3.281\times3.281}$

= 4.461 m² ( approx )

Hence proved

8 0

4 years ago

What is the value of the expression k – 14 when k = –17?

Vedmedyk [2.9K]

I hope this helps you

-14+?= -17

?= -17+14

?= -3

6 0

4 years ago