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Dmitry [639]
3 years ago
10

If a muffin costs 7¢, how much will 3 muffins cost?​

Mathematics
2 answers:
Aleks04 [339]3 years ago
8 0

Answer:

21 cents

Step-by-step explanation:

Take the cost per muffin and multiply by the number of muffins

7 cents * 3 muffins

21 cents

Goshia [24]3 years ago
6 0

Answer:

21 cents

Step-by-step explanation:

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the lowest temperature ever recorded on Earth is -94.7 this was recorded in August 2010 in Antarctica. Before this date, the pre
stiv31 [10]

Answer:

5.5

Step-by-step explanation:

The lowest temperature ever recorded on Earth is =-94.7

Before this date, the previous record was at= -89.2

the difference between these two extreme temperatures=-89.2-(-94.7)

                                                                                              =-89.2+94.7

                                                                                              =5.5

<u>The difference between these two extreme temperatures is 5.5</u>

8 0
4 years ago
Find an explicit solution of the given initial-value problem.dy/dx = ye^x^2, y(3) = 1.
tamaranim1 [39]

Answer:

y=exp(\int\limits^x_4 {e^{-t^{2} } } \, dt)

Step-by-step explanation:

This is a separable equation with an initial value i.e. y(3)=1.

Take y from right hand side and divide to left hand side ;Take dx from left hand side and multiply to right hand side:

\frac{dy}{y} =e^{-x^{2} }dx

Take t as a dummy variable, integrate both sides with respect to "t" and substituting x=t (e.g. dx=dt):

\int\limits^x_3 {\frac{1}{y} } \, \frac{dy}{dt} dt=\int\limits^x_3 {e^{-t^{2} } } dt

Integrate on both sides:

ln(y(t))\left \{ {{t=x} \atop {t=3}} \right. =\int\limits^x_3 {e^{-t^{2} } } \, dt

Use initial condition i.e. y(3) = 1:

ln(y(x))-(ln1)=\int\limits^x_3 {e^{-t^{2} } } \, dt\\ln(y(x))=\int\limits^x_3 {e^{-t^{2} } } \, dt\\

Taking exponents on both sides to remove "ln":

y=exp (\int\limits^x_3 {e^{-t^{2} } } \, dt)

7 0
3 years ago
PLEASE ANSWER ASAP!!!!! WILL GIVE BRAINLIEST TO FIRST AND/OR CORRECT ANSWER, UNLESS ABSURD!!!!!
sveticcg [70]
B I think is right



maybe

6 0
4 years ago
Need help ASAP ASAP
vovangra [49]

Answer:

X = 70, y = 21

Step-by-step explanation:

53 + 6y + 1 = 6y + 54

6y + 54 = 180

180 - 54 = 126

6y = 126

126 ÷ 6 = 21

Y = 21

21 × 6 + 1 = 127

127 = 2x - 13

127 + 13 = 140

140 ÷ 2 = 70

X = 70

Opposite angles are congruent and consecutive angles are supplementary.

Hope that helped and have a great day!

3 0
3 years ago
How do i do 2x8 and don’t just tell me the answer i need someone to explain pls
Sonja [21]

Answer:

16

Step-by-step explanation:

2 x 8 is just another way of saying what would 8 + 8 be

for example, 5x5 would just 25 but 5+5+5+5+5 would also be 25

Hope this helps, sorry im not a good teacher:)

5 0
3 years ago
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