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4 years ago

Which is greater -5 or -7

2 answers:

8 0

Hello! One easy way to figure out if a negative number is greater than another negative number is to use a number line.

The number closer to the right would be greater.

-7 -6 -5 -4 -3 -2 -1 0 1 2 3

-5 is greater than -7. Hope this helps! :)

Natasha_Volkova [10]4 years ago

5 0

-5 I believe so idk...

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The equation a = 640s gives the relationship between s square miles and a acres. Pam owns 7.5 square miles of farmland. How many

never [62]

I believe it is C. Multiply 640 by 7.5. You should get 4800

4 0

4 years ago

Tyler is leaving a 15% tip on the bill for

dangina [55]

Answer:

b + b ÷ 20 • 5

Step-by-step explanation:

Calculate 15% of b: b ÷ 20 • 5
Add it to the original amount: b + b ÷ 20 • 5

4 0

4 years ago

X+y=3 x-y=1 find the Find the determinants

Mkey [24]

Answer:

D = -2
Dx = -4
Dy = -2

Step-by-step explanation:

System Determinant

The determinant of the system is the determinant of the matrix of coefficients:

$D=\left|\begin{array}{cc}1&1\\1&-1\end{array}\right|=(1)(-1)-(1)(1)=-2$

X Determinant

This is the determinant of the matrix with the x-coefficients replaced by the constants.

$D_x=\left|\begin{array}{cc}3&1\\1&-1\end{array}\right|=(3)(-1)-(1)(1)=-4$

Y Determinant

This is the determinant of the matrix with the y-coefficients replaced by the constants.

$D_y=\left|\begin{array}{cc}1&3\\1&1\end{array}\right|=(1)(1)-(3)(1)=-2$

_____

This problem didn't ask, but the solution is ...

x = Dx/D = -4/-2 = 2

y = Dy/D = -2/-2 = 1

(x, y) = (2, 1)

3 0

3 years ago

6. rolling a 1, 2, or 3 on the first roll of a 1-6 number cube and

sp2606 [1]

Answer: The probability is 1/4

Step-by-step explanation:

The odds of rolling a 1,2, or 3 on the first roll is 3/6 or 1/2.

The odds of rolling a 4,5, or 6 on the second roll is also 3/6 or 1/2

The odds all together is 1/4 because 1/2 divided by 1/2 is 1/4.

If I’m wrong tell me

7 0

3 years ago

12 + z = 15 Does anyone know thisplease

belka [17]

Answer:

Step-by-step explanation:

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3 0

3 years ago