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Over [174]
2 years ago
8

A=1/2h(B+b);a=135,B=6,b=9

Mathematics
1 answer:
Tomtit [17]2 years ago
7 0

Answer:

Step-by-step explanation:

135=1/2h(6+9)

135=1/2h(15)

135=7.5h

h=18

1/2*18 is 9

15*9 is 135

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Can someone please help me!!!
maksim [4K]

Answer:

12x9= 124

Step-by-step explanation:

if you multply it right

8 0
2 years ago
A park is rectangular with a length of ⅔ miles. If the area of the park is 3/9 square miles, what is the width?
Zielflug [23.3K]

Answer:

Area of the rectangular park = 2/3 square mile

Let us assume the width of the rectangular park = x

Then

The length of the rectangular park = 2 2/3 * x mile

                                                      = 8x/3 mile

Then

Area of the rectangular park = Length * Width

2/3 = (8x/3) * x

2/3 = 8x^2/3

(2 * 3)/3 = 8x^2

2 = 8x^2

x^2 = 2/8

x^2 = 1/4

x^2 = (1/2)^2

x = 1/2

So the width of the park is 1/2 feet.

Step-by-step explanation:

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4 0
3 years ago
Read 2 more answers
P, Q & R form a right-angled triangle.
Naya [18.7K]

Answer:

m<RPQ = 22°

Step-by-step explanation:

Given:

m<SRQ = 90°

PS = PQ

m<SQR = 46°

Required:

m<RPQ

Solution:

m<SQR + m<SRQ + m<RSQ = 180°

Substitute

46° + 90° + m<RSQ = 180°

m<RSQ = 180° - 136°

m<RSQ = 44°

Find m<PSQ:

m<PSQ = 180° - m<RSQ (Angles on a straight line

m<PSQ = 180° - 44° (Substitution)

m<PSQ = 136°

Find m<RPQ:

∆QSP is an isosceles triangle with two equal base angles. Therefore:

m<RPQ = ½(180° - 136°)

m<RPQ = 22°

4 0
3 years ago
A machine that drills holes for wells drilled to a depth of
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Answer:

depth of -117 feet

Step-by-step explanation:

24 hours 72 feet, so one hour 72/24 = 3 feet

after 15 hours, another 3*15 = 45 feet, so the depth become 72 + 45 = 117 feet

5 0
2 years ago
6. A volleyball tournament was taking
kherson [118]

Answer:

349 players were left to play

Step-by-step explanation:

238 girls and 134 boys

and will be a plus

238+134

23 people were hurt, so if they were hurt, then they'd be out, so that would be a minus

238+134-23

238+134= 372

372-23=349

3 0
3 years ago
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