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4 years ago

Solve the equation. Check your solution. √2x + 7 = √5x - 8

Mathematics

1 answer:

aleksandr82 [10.1K]4 years ago

6 0

Answer:

Step-by-step explanation:

√2x=√5x-15

2x=5x-30*√5x+225

3x-30*√5x=-225

x-10*√5x+75=0

(√x-5√5)²=0

√x=√75

x=75

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DUE IN 2 MINTUES PLZZ HELP

dusya [7]

Answer:

320

Step-by-step explanation:

6400 x minute = 6400/60 = 106.66666666666666666666666666667 ft/h

*3=320ft

320ft to miles = 0.0606061

7 0

3 years ago

Two consecutive integers have a sum of 75. Find the integers.

Pie

Answer:

37 and 38

Step-by-step explanation:

let the consecutive integers be x-1 and x

If their sum is 75

x-1+x = 75

2x - 1 = 75

2x = 75+1

2x = 76

x = 76/2

x = 38

First integer = x - 1

First integer = 38-1 = 37

Second integer is 38

Hence the integers are 37 and 38

7 0

3 years ago

A forestal station receives the locations of two fires, one of them in a forest located 11 Km heading N69°W from the station. Th

loris [4]

Answer:

30.7 km

Step-by-step explanation:

The distance between the two fires can be found using the Law of Cosines. For ΔABC in which sides 'a' and 'b' are given, along with angle C, the third side is ...

c = √(a² +b² -2ab·cos(C))

The angle measured between the two fires is ...

180° -(69° -35°) = 146°

and the distance is ...

c = √(11² +21² -2(11)(21)cos(146°)) ≈ √945.015

c ≈ 30.74

The straight-line distance between the two fires is about 30.7 km.

8 0

3 years ago

The opposition of 135

zysi [14]

Answer:

i think you r missing some questions r u doing degrees or something else i am not sure

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

Michael has 13 1/4 pizzas left in the freezer at his pizza shop. The next day a group comes in and orders 5 1/3 pizzas how many

Papessa [141]

Answer:

8 1/12

Step-by-step explanation:

13 1/4 - 5 1/3 = (13-5) + (1/4 - 1/3)

= 8 + (4/12 - 3/12)

= 8 1/12

8 0

4 years ago