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3 years ago

Another 6th grade problem! (:

Mathematics

2 answers:

nata0808 [166]3 years ago

7 0

Answer: There are 4 teams in the league

Step-by-step explanation:

(1) Add 14 four times: 14+14+14+14 = 56

(2) Multiply 14 four times: 14 x 4 = 56

(3) Combine both of these numbers into the t factor: 14t = 56

(4) Divide both sides by 14 and simplify: (14t / 14) = 56/14 | t = 4 (simplified)

IRINA_888 [86]3 years ago

4 0

Answer:

C, as it is a division/multiplication problem about how many teams in the baseball team

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The base of a triangle exceeds the height by 4 feet. If the area is 58.5 square feet, find the length of the base and the height

tigry1 [53]

Answer:

The answer is the height h equals 9

Step-by-step explanation:

$a = \frac{1}{2} bh = 58.5\\ b = h + 4$

$58.5 = \frac{(h + 4)h}{2} = \frac{ {h}^{2} + 4h}{2}$

$117 = {h}^{2} + 4h \\ {h}^{2} + 4h - 117 = 0$

$x1 = - 2 + u \\ x2 = - 2 - u\\ x1x2 = ( - 2 + u)( - 2 - u) = - 117$

$4 - {u}^{2} = - 117 \\ 4 + 117 = {u}^{2} \\ {u}^{2} = 121$

$\sqrt{ {u}^{2} } = + or - \sqrt{121} \\ u = + or - 11$

$x1 = - 2 + 11 = 9 \: or \\ x2 = - 2 - 11 = - 13$

since areas have to be positive -13 is incorrect therefore

$h = 9$

Check:

$58.5 = \frac{(h + 4)h}{2} = \frac{(9 + 4)9}{2} = \\ \frac{13 \times 9}{2} = \frac{117}{2} = 58.5$

5 0

2 years ago

I NEED HELP FAST!!!!!!!!!!

olga55 [171]

Answer:

But what's your question dude??

5 0

2 years ago

Help math math math math

zavuch27 [327]

Answer:

1469.52

Step-by-step explanation:

V=πr²h

r=6 ft

h=13 ft

π≈3.14

V≈3.14×6²×13 ft³

V≈1469.52 ft³

7 0

2 years ago

4. The rental for a television set changed from $80 per year to $8 per month

Olegator [25]

Answer:

16%

Step-by-step explanation:

rental charge per year = $80

rental charge at the rate $8 per year = 8 * 12 = 96

the increased amount = 96 - 80 = 16

% = 16 / 100 = 16%

6 0

3 years ago

Elvira used 4 cups of grape juice, 1 1/2 cups of cranberry juice, and 1/2 cup of pineapple juice to make punch. One liter

Mandarinka [93]

4+1.5+.5= 6 cups

6 cups = 1.42 liters

Closest measurement is 1.42L

3 0

2 years ago