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Katen [24]
3 years ago
10

Pleaseeeee help I’m doing terrible in math I need help

Mathematics
1 answer:
emmasim [6.3K]3 years ago
5 0

Answer:

option 1

Step-by-step explanation:

because i am confident

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Six subtracted from the sum of four and a number
nevsk [136]

Let's call this unknown number, x.

So we know that 4 and this number, x, are going to be added together and 6 is going to be subtracted from it. Therefore we can write the expression:

(4+x)-6

Since we cannot proceed any further without knowing either the value of x or what the expression equals, this is as simplified as it can be.

4 0
3 years ago
HELP I WILL MARK YOU AS A BRAINLIEST I KNOW IM SO DUMB!!
monitta

Answer:

6.15.

Step-by-step explanation:

3.75 + 2 2/5

= 3.75 + 2.40

= 6.15.

4 0
4 years ago
Read 2 more answers
Prove algebraically that the straight line with equation x =2y+5 is a tangent to the circle with equation x ² +y ²
mrs_skeptik [129]

The intersection point is only one. Then the equation of the line is tangent to the circle at point (1, -2).

<h3>What is a circle?</h3>

It is a locus of a point drawn an equidistant from the center. The distance from the center to the circumference is called the radius of the circle.

Prove algebraically that the straight line with equation x = 2y + 5 is a tangent to the circle with equation x² + y² = 5.

x = 2y + 5 ...1

x² + y² = 5 ...2

If the intersection of the point of the circle and line is one. Then the line is tangent to the circle.

Then from equations 1 and 2, we have

               (2y + 5)² + y² = 5

4y² + 25 + 20y + y² - 5 = 0

            5y² + 20y + 20 = 0

    5y² + 10y + 10y + 20 = 0

     5y (y + 2) + 10(y + 2) = 0

              (5y + 10)(y + 2) = 0

                                    y = -2, -2

Then the value of y is unique then the value of x will be unique.

The value of x will be

x = 2(-2) + 5

x = -4 + 5

x = 1

The intersection point is only one. Then the equation of the line is tangent to the circle at point (1, -2).

More about the circle link is given below.

brainly.com/question/11833983

#SPJ1

4 0
2 years ago
HELP ME ASAP<br><br> Convert the measurement.<br> 4 quarts = ___ fluid ounces
slavikrds [6]

Answer: 128

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
The sum of two numbers is 89. Three times the smaller
Ymorist [56]

Answer:

<u>The numbers are 40 and 49</u>

Step-by-step explanation:

Smaller number = x

Larger number = y

Let's write our system of equations:

x + y = 89

3x = y + 71

***************************

x = 89 - y

Substituting x in the 2nd equation and solving for y:

3 (89 - y) = y + 71

267 - 3y = y + 71

-3y - y = 71 - 267 (Like terms)

-4y = - 196

y = -196/-4

y = 49

Solving for x in the 1st equation:

x + y = 89

x + 49 = 89

x = 89 - 49

x = 40

<u>The numbers are 40 and 49</u>

6 0
3 years ago
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