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Serga [27]
4 years ago
5

PLEASE PLEASE PLEASE HELP

Mathematics
1 answer:
Airida [17]4 years ago
3 0

Answer:

64 cm

Step-by-step explanation:

u just add each of the langht of the squar

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I need halp... QUESTION: tell weather the two figures are congruent. Explain your reasoning
Anastaziya [24]

number 3 is not congruent but number 4 is because #4 is basically the same thing but you cant really multiply something to question #3 to get those answers.

5 0
4 years ago
Read 2 more answers
Use matrices to write the equation of the function in the form y = mx + b that contains the points
Fofino [41]

The line has a slope of -6 and a y intercept of 7.

The linear equation is given by:

y = mx + b;

where m is the slope of the line, b is the y intercept, y, x are variables.

The equation of the line passing through the points (6.-29) and (-4,31) is:

y-y_1=\frac{y_2-y_1}{x_2-x_1}(x-x_1)\\\\y-(-29)=\frac{31-(-29)}{-4-6}(x-6)\\\\y+29=-6(x-6)\\\\y=-6x+7

Hence the line has a slope of -6 and a y intercept of 7.

Find out more at: brainly.com/question/13911928

3 0
3 years ago
For what value of c does x^2−2x−c=4 have exactly one real solution?<br> PLEASE HELP!!!!!!!
Paul [167]

Answer:

-5

Step-by-step explanation:

Moving all terms of the quadratic to one side, we have

x^2-2x-(c+4)=0.

A quadratic has one real solution when the discriminant is equal to 0. In a quadratic ax^2+bx+d, the discriminant is \sqrt{b^2-4ad}.

(The discriminant is more commonly known as \sqrt{b^2-4ac}, but I changed the variable since we already have a c in the quadratic given.)

In the quadratic above, we have a=1, b=-2, and d=-(c+4). Plugging this into the formula for the discriminant, we have

\sqrt{(-2)^2-4(1)(-(c+4)).

Using the distributive property to expand and simplifying, the expression becomes

\sqrt{4-4(-c-4)}=\sqrt{4+4c+16}\\~~~~~~~~~~~~~~~~~~~~~~=\sqrt{20+4c}\\~~~~~~~~~~~~~~~~~~~~~~=\sqrt{4}\cdot\sqrt{5+c}\\~~~~~~~~~~~~~~~~~~~~~~=2\sqrt{c+5}.

Setting the discriminant equal to 0 gives

2\sqrt{c+5}=0.

We can then solve the equation as usual: first, divide by 2 on both sides:

\sqrt{c+5}=0.

Squaring both sides gives

c+5=0,

and subtracting 5 from both sides, we have

\boxed{c=-5}.

3 0
3 years ago
Michael bought 0.44 pound of sliced turkey what is the value of the digit in the hundreds place
balandron [24]
4 because on a decimals chart there are no ones so in 0.44 4 is in the hundreds place
   

I hope this helped you

7 0
4 years ago
Solve for x: 20x2 - 7x = 6
azamat

Answer:

if the x after the 20 means multiply then the answer is -34/7 or -4 6/7 if the x is a letter then it's 2/11

Step-by-step explanation:

20x2-7x=6

20x2=40

40-7x=6

subtract 40 from 6= 34

-7x=34

34÷-7= -34/7 if needed in a mixed fraction -4 6/7

4 0
3 years ago
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