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frozen [14]
3 years ago
11

What’s the answer to X-7=-3

Mathematics
2 answers:
BaLLatris [955]3 years ago
8 0

Answer:

x = 4

Step-by-step explanation:

X - 7 = -3   (add 7 to both sides)

X - 7 + 7 = -3 + 7

X = -3 + 7

X = 4

stich3 [128]3 years ago
8 0

Answer:

x = 4

Step-by-step explanation:

<u>Step 1:  Add 7 to both sides</u>

x - 7 + 7 = -3 + 7

<em>x = 4</em>

<em />

Answer:  x = 4

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The side lengths of a square are each 3p. By adding 5 to the length and subtracting 5 from the width, a rectangle is made. What
denpristay [2]

Answer:

A = 9p² - 25

Step-by-step explanation:

The side lengths were 3p.  5 was added to the length and subtracted from the width.  This means that

l = 3p + 5

w = 3p - 5

Plug these values into the formula for the area of a rectangle.

A = lw

A = (3p + 5)(3p - 5)

A = 9p² - 25

The area of the rectangle is 9p² - 25.

8 0
4 years ago
Write an e-mail (50-60 words) to one of your friends to ask him/her for some advice on improving your English speaking skill. Wr
Bingel [31]

Writing an email to a friend asking for help regarding English speaking skills.

An email is an electronic network of sending messages to another person through the use of the internet. It is another form of instant messaging that enables a person to receive the message immediately.

  • The sample for writing an email to a friend asking for help in English speaking skills is as below-
  • First, we include the email address of the sender and the receiver.
  • Then comes the body:
  • Considering your fluency in speaking in English, I need your help. Can you please suggest ways for me to improve my English speaking skills? I can't use English properly both in speaking and writing. I hope you can guide me to improve my speaking skill. Looking forward to hearing from you.

Email can be of two types, <u>formal and informal</u>. As this required email is to a friend, we do not need to use formal language and can openly use informal words.  

Learn more about email writing here:

brainly.com/question/17332088

3 0
3 years ago
A projectile is launched from ground level at an angle of 13.0 ° above the horizontal. It returns to ground level. To what value
Elden [556K]

Answer:

The launch angle should be adjusted to 30.63°

Step-by-step explanation:

The range of a projectile which is the horizontal distance covered by the projectile can be expressed as;

R =(v^2 sin2θ)/g

Where

R = range

v = initial speed

θ = launch angle

g = acceleration due to gravity

For the case above. When the projectile is launched at angle 13° above the horizontal.

θ1 = 13

R1 = (v^2 sin2θ1)/g

R1 = (v^2 sin26°)/g ....1

For the range to double

R2 = (v^2 sin2θ)/g .....2

R2 = 2R1

Substituting R2 and R1

(v^2 sin2θ)/g = 2 × (v^2 sin26°)/g

Divide both sides by v^2/g

sin2θ = 2sin26

2θ = sininverse(2sin26)

θ = sininverse(2sin26)/2

θ = 30.63°

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3 years ago
Kayaks rent for $35 per day.
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4 years ago
Angles round a point will always add up to ________⁰​
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360 - because a right angle is 90° and there are 4 right angles in a circle , 90 x 4 = 360
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