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3 years ago

Please help me thanks :))

Mathematics

1 answer:

MissTica3 years ago

8 0

Answer:

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Solve. − 2 5 x − 9 < 9 10

Mademuasel [1]

Step-by-step explanation:

okay so -25 • -9 = 9+10

225 = 9+10

225 = 19

19. 19

= 11.8

8 0

3 years ago

Find the value of x. The diagram is not to scale.

12345 [234]

Answer:

Step-by-step explanation:

3 0

3 years ago

Solve for x Y= x-v/b

andrey2020 [161]

Answer:

x=y+v/b

Step-by-step explanation:

So first you have y=x-v/b. You want to isolate x, so subtract x from both sides. You'll get -x+y=-v/b. Next, you're going to want to subtract y to further isolate x now that it's on the left side. Now you'll have -x=-y-v/b. But you don't want x to be negative, so you can divide both sides by -1 to make x positive. Now you'll have x=y+v/b.

6 0

3 years ago

For any two nonzero integers the product and quotient have the same sign.

tamaranim1 [39]

This statement is always true. For any two nonzero integers the product and quotient have the same sign. For example, -2*-3 = 6 and of we see -2/-3, then the result is 2/3. The sign in the result is same after product and quotient, but the result has the same sign.

8 0

3 years ago

s – 34% Americano, 21% Cappuccino, 14% Espresso, 11% Latte, 10% Macchiato, 10% Other. In a random sample of 450 customers, he fi

Sever21 [200]

Answer:

0.000005178

Step-by-step explanation:

we test for the goodness of fit

h0; drink preferences not changed

h1: drink preferences changed

alpha = 0.05

we solve for the test statistics

the chsquare test was performed in the attachment

Chi square = (O-E)²/E

chisquare = 32.30188

degree of freedom = n -1 = 6-1 = 5

using the chi distribution function on excel i calculated the p value

CHIDIST(32.30188, 5) =

P-value = 0.000005178

pvalue is less than 0.05 so we reject null hypothesis and conclude that there is sufficient evidence that drink preferences are changed.

the chisquare calculation is in the attachment. Thank you!

7 0

3 years ago