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notsponge [240]
4 years ago
12

Solve x^2-x-42=0 for quadratic equation​

Mathematics
2 answers:
harkovskaia [24]4 years ago
6 0

Answer:x

x=7,-6

Step-by-step explanation:

Solve the equation for  x  by finding  a ,  b , and  c  of the quadratic then applying the quadratic formula.

ps. can you mark me brainliest if i got it right??? plz? thanks

11Alexandr11 [23.1K]4 years ago
6 0

Answer:  x = 7 , -6

Step-by-step explanation: Solve the equation for x by finding a, b and c of the quadric then applying the quadric formula.

Hope this helps you out! ☺

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Step by step explaination<br> 2x + 4 &lt; 8
Andrei [34K]

Answer:

X<2

Step-by-step explanation:

2x+4<8

subtract 4 from both sides

2x+4-4<8-4

simplify

2x<4

divide both by 2

2x/2<4/2

x<2

5 0
3 years ago
A spring stretches out by 8cm when a 0.2 kg weight is placed on it. How much does the spring stretch by when a 0.5 kg weight is
Ierofanga [76]

m₁ = mass hanged initially = 0.2 kg

x₁ = initial stretch in the spring = 8 cm = 0.08 m

k = spring constant of the spring

the weight of the mass hanged is balanced by the spring force by the spring hence

Spring force = weight of mass hanged

k x₁ = m₁ g

k (0.08) = (0.2) (9.8)

k = 24.5 N/m


m₂ = mass hanged later = 0.5 kg

x₂ = final stretch in the spring = ?

k = spring constant of the spring = 24.5 N/m

the weight of the mass hanged is balanced by the spring force by the spring hence

Spring force = weight of mass hanged

k x₂ = m₂ g

(24.5) x₂  = (0.5) (9.8)

x₂  = 0.2 m = 20 cm



5 0
3 years ago
In ΔQRS, the measure of ∠S=90°, SR = 7, QS = 24, and RQ = 25. What is the value of the tangent of ∠Q to the nearest hundredth?
TEA [102]

Answer:tanQ=

adjacent

opposite

​

=

24

7

​

≈0.2917≈0.29

Step-by-step explanation:

trust me bro

8 0
3 years ago
A rectangle is 25 inches long and 13 inches wide what is the area of the rectangle?
amid [387]

Answer:

Area = 25×13

=325 inches^2

..............................

6 0
2 years ago
Read 2 more answers
The verticals of a parallelogram are G(-8,3), R(-7,6),A(-3,6), and M(-4,3). Graph GRAM and G’R’A’M’, it’s image after a translat
Airida [17]
See the attached diagram for a plot of the original vertices and their images.

3 0
3 years ago
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