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sergeinik [125]

3 years ago

5

ms.abramson loves to bake.last weekend she uses 4 1/2 pounds of sugar to make banana nut muffins. each batch of muffins needs 2/

5 pounds of sugar. how many full batches did ms. abramson make last week, please help me!

1 answer:

Nookie1986 [14]3 years ago

3 0

She can make about 22 batches I think.

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Is this a true or false equation? -5(3-9) 4 = 5q - 11

tino4ka555 [31]

<span>yes it is a true equation.. you can solve it to find q ...

-5(3-9) 4 = 5q - 11
</span><span>−5 *−6 * 4= 5q−11</span><span>120 = 5q−11
120 + 11 = 5q
131 = 5q
q = 131/5
in decimals q = </span><span> 26.2 ..
</span><span>
Hope it helps!!!!

</span><span>

</span>

8 0

3 years ago

Triangle RST is rotated 180° about the origin, and then translated up 3 units. Which congruency statement describes the figures?

Mazyrski [523]

Answer: ΔRST ≅ ΔBAC

Step-by-step explanation:

We know that To rotate a figure 180 degrees, you will need to apply the rule (x, y) → (-x, -y).

Thus, The coordinates of Δ RST becomes

R (1,1) → R'(-1,-1)

S (3,4) → S'(-3,-4)

T(-5,0) → T'(5,0)

Also ΔRST after rotation is translated up 3 units. , so we apply the rule (x,y)→(x,y+3)

R'(-1,-1)→R"(-1,-1+3)=R"(-1,2)→ B

S'(-3,-4) → S"(-3,-4+3) = R"(-3,-1) → A

C'(-5,0) → C"(-5,0+3) → C"(-5,3) → C

As rotation and translation both are rigid transformation that maps only congruent figures.

Therefore, ΔRST ≅ Δ BAC

7 0

3 years ago

Read 2 more answers

Pls send answer and show work pls

I am Lyosha [343]

For question 7, if we add all votes for tiger and eagle, we get

tiger = 14 + 13 + 8 + 5 = 40
eagle = 6 + 7 + 12 + 15 = 40

so choices A and B are wrong.
C is also wrong because fifth and sixth grade votes for eagle are 6 + 7 = 13 and the 5th and 6th grade votes for tiger are 14 + 13 = 27. clearly 5th + 6th like tiger more.

D is the answer for question 7

question 8

rolling a cube does not affect the other cube so it is all independent probability.
cube: 1 2 3 4 5 6
3 even numbers and 3 odd numbers

so probability of rolling an even number is

1/6 + 1/6 + 1/6 = 3/6 = 1/2

multiplying by total number of rolls, she will get even numberss

300 * 1/2 = 150

about 150 time.
so half of the time, Cassie will roll and even number about half the number of rolls. never exactly since this is all probability. more likely for it to be around 150 times than exactly 150 time.

choice C is answer for question 8

4 0

3 years ago

According to an article in Newsweek, the rate of water pollution in China is more than twice that measured in the US and more th

jeyben [28]

Answer:

(a) 0.119

(b) 0.1699

Solution:

As per the question:

Mean of the emission, $\mu = 11.7$ million ponds/day

Standard deviation, $\sigma = 2.8$ million ponds/day

Now,

(a) The probability for the water pollution to be at least 15 million pounds/day:

$P(X\geq 15) = P(\frac{X - /mu}{\sigma} \geq \frac{15 - 11.7}{2.8})$

$P(X\geq 15) = P(Z \geq 1.178)$

$P(X\geq 15)$ = 1 - P(Z < 1.178)

Using the Z score table:

$P(X\geq 15)$ = 1 - 0.881 = 0.119

The required probability is 0.119

(b) The probability when the water pollution is in between 6.2 and 9.3 million pounds/day:

$P(6.2 < X < 9.3) = P(\frac{6.2 - 11.7}{2.8} < \frac{X - \mu}{\sigma} < \frac{9.3 - 11.7}{2.8})$

$P(6.2 < X < 9.3) = P(- 1.96 < Z < - 0.86)$

$P(6.2 < X < 9.3) = P(- 1.96 < Z < - 0.86)$

P(Z < - 0.86) - P(Z < - 1.96)

Now, using teh Z score table:

0.1949 - 0.025 = 0.1699

4 0

3 years ago

2 gallons divided by 7 people

kumpel [21]

2gallons/7people. This is the answer

5 0

3 years ago