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Licemer1 [7]
3 years ago
7

Two identical blue boxes together weigh the same as three identical red boxes together. Each red box weighs 15.2 ounces. How muc

h does one blue box weigh in ounces?
Mathematics
2 answers:
Westkost [7]3 years ago
8 0

Answer:

Each blue box weighs 22.8 ounces

Step-by-step explanation:

dangina [55]3 years ago
8 0

Answer:

22.8 ounces

Step-by-step explanation:

Since one red box weighs 15.2 ounces, three red boxes weigh 45.6 ounces. This is the same as two blue boxes, so we have the equation 2b=45.6 where b represents the weight of the blue box. Solving the equation by multiplying both sides by 1/2 gives us 22.8 ounces.

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mihalych1998 [28]

Answer:

The slope of tangent at point (1,-2) is \frac{2}{3}.

Step-by-step explanation:

The given equation of ellipse is

2x^2+xy+y^2=4

Differentiate both sides with respect to x.

\frac{d}{dx}(2x^2+xy+y^2)=\frac{d}{dx}(4)

\frac{d}{dx}(2x^2)\frac{d}{dx}(xy)+\frac{d}{dx}(y^2)=\frac{d}{dx}(4)

4x+x\frac{dy}{dx}+y+2y\frac{dy}{dx}=0

(4x+y)+(x+2y)\frac{dy}{dx}=0

\frac{dy}{dx}=-\frac{4x+y}{x+2y}

Calculate the value of \frac{dy}{dx} at (1,-2).

\frac{dy}{dx}_{(1,-2)}=-\frac{4(1)+(-2)}{(1)+2(-2)}

\frac{dy}{dx}_{(1,-2)}=-\frac{2}{-3}

\frac{dy}{dx}_{(1,-2)}=\frac{2}{3}

Therefore the slope of tangent at point (1,-2) is \frac{2}{3}.

3 0
3 years ago
Read 2 more answers
What’s the slope?................
Orlov [11]
M = y2-y1/x2-x1
m = 7- (-2)/ -6-(-7)
m = 9/1

slope = 9
7 0
3 years ago
One crate can hold 8 cases of trading cards.How many crates are needed to hold 128 cases of trading cards?
Lunna [17]
16 crates to hold all 128  cases of trading cards

7 0
2 years ago
What is 2,443,805,567 rounded to the nearest hundred
n200080 [17]

Answer:

2,443,805,600

Step-by-step explanation:

3 0
3 years ago
Which expression is equivalent to -3 (2m - 1) - n?
Semenov [28]

Answer:

−6−m+3

Explanation

-3 (2m - 1) - n?

Distribute

−3(2−1)−

−6+3−

Rearange

−6+3−

−6−m+3

7 0
2 years ago
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