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nevsk [136]
3 years ago
12

The skateboard that Jose wants costs $90 has a coupon for 1/5 off retail price. If Jose saves $18 a week, how long will it take

to save enough to buy the skateboard?
Mathematics
2 answers:
Free_Kalibri [48]3 years ago
6 0
1/5 of 90 is 18. So subtract 90 - 18 = 72. Then you would divide 72 by 18 to get 4
snow_tiger [21]3 years ago
6 0

Answer:

4 weeks

Step-by-step explanation:

You might be interested in
7x – 4 and 6x – 4 – x are equivalent using the interactive tool.
ss7ja [257]
7X-4=6X-4-X
7X-6X+X=0
2X=0
X=0
5 0
3 years ago
Read 2 more answers
A low P-Value in ANOVA table mean that the population mean of each treatment effects are different. the population mean of at le
Verizon [17]

Answer:

The population mean of at least one treatment effect are different.

Step-by-step explanation:

An analysis of variance (ANOVA) is conducted in order to determine if there are significant differences between the values of the population mean with respect to the response variable for the domains that under the effects of different treatments. A low p-value leads to reject the null hypothesis of the following hypothesis system:

H_0: \mu_1=\mu_2=...=\mu_k\\\\\\H_a: \mu_i \neq\mu_j, for $ for some i, j between 1 and k.$

Rejecting H0 means that this hypothesis is false and, in turn, allows us to conclude that the population mean of one of the domains is different from the others.

4 0
3 years ago
Find the area of a triangle with a base length of 3 units and a height of 4 units.
svetlana [45]

Answer:

6 square units

Step-by-step explanation:

The area of a triangle can be calculated by multiplying the triangle's base by its height, and then dividing the result by 2. As an algebraic expression, this would be \frac{bh}{2}, where b is the triangle's base and h is the triangle's height. In this case, we know that b=3 and h=4. Therefore, the area of this triangle is \frac{3*4}{2} =\frac{12}{2} =6 square units. Hope this helps!

6 0
2 years ago
Read 2 more answers
Could you help me with this page
NeTakaya

5. area 0.75*2*0.75*2=2.25 m²

scale 1 in.=2 m so

8 0
3 years ago
In ΔDEF, what is sin D, in simplified form?
Igoryamba

Answer: second option.

Step-by-step explanation:

You must apply sin\alpha=\frac{opposite}{hypotenuse}

Then, given the right triangle and the angle D, the opposite side and the hypotenuse of the triangle are the following:

opposite=20\\hypotenuse=25

Therefore, when you substitute values, you have:

sinD=\frac{20}{25}

Reduce the fraction, then you obtain:

 sinD=\frac{4}{5}

5 0
3 years ago
Read 2 more answers
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