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3 years ago

Ax + b > ax + c? What is the solution

1 answer:

3 0

Answer:In general, any equation of the form ax + b = c, with a not equal to zero, can be solved in two steps. First add the opposite of b to both sides. Then multiply both sides by the reciprocal of a. x - 53 = 7.

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Use the following information to determine cos(2x). <br><br> cos(x)=3/5 and sin(x) is negative

kari74 [83]

Hey !!!

sinx = 3/5 ( given )

We know a formula of cos2x = ( 1 - 2sin²x)

putting the value of sinx on value of cos2x = ( 1 - 2sin²x)

hence,

we get

cos2x = ( 1 - 2sin²x )

=> [1 - 2 × ( 3/5 )² ]

=> [ 1 - 2 × 9 /25 )

=> [ 25 - 18 /25 ]

=> 7/25 Answer ✔

4 0

2 years ago

800+800+800+1,000+2,000+200 =

salantis [7]

Answer:

5600

Step-by-step explanation:

7 0

4 years ago

3 Help this is too confusing!!!!

Lisa [10]

tbm queria saber essa pergunta

5 0

3 years ago

Amy, bill and claire share an amount of money in the ratio 5:7:8 what fraction of the money does bill get

ivolga24 [154]

Answer:

7/20

Step-by-step explanation:

Add the numbers up which is 20 and then the purpose of bill is the middle one and 7 is the middle in the ratio

6 0

3 years ago

Need some help on this question???

JulijaS [17]

Answer: 4

Step-by-step explanation:

Given

PA=6, PD=4, BE=5

We know, If PEB is a secant that intersects the circle at E and B and PA be a tangent at A, then

$PA^2=PE\cdot PB$

Substitute the given values

$\Rightarrow 6^2=(PE+BE)\cdot(PE)\\\Rightarrow 36=(PE+5)\cdot(PE)$

Take $PE=x$

$\Rightarrow 36=x^2+5x\\\Rightarrow x^2+5x-36=0\\\Rightarrow x^2+9x-5x-36=0\\\Rightarrow (x+9)(x-4)=0\\\Rightarrow x=-9,4$

Discard $x=-9$

$\therefore PE=4$

5 0

3 years ago