7x4 = 28.
7+7+7+7=28
4+4+4+4+4+4+4=28
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Seven times negative four equals negative 28. (7 X -4 = -28)
7x4=28 because you basically add seven 4 times
35
28
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i don,t know
its 24
Start by adding 7, then add 7x2, then 7x4, then 7x8, etc. 2 + (7x1) = 9 9 + (7x2) = 23 23 + (7x4) = 51 51 + (7x8) = 107 The next number is 219.
"What is 1 + 1?" is an easy math question in any grade.
by cross multiplying is a easy method to use just multiply numerator from a fraction and denominator from another fraction to get the answer on the left side then you switch sides by denominator multiplying numerator to get the answer on the right side of the fraction from the for example 7/8 and 3/4 7x4=28 for 7/8 and 8x3=24 on 3/4 to prove it 7/8 is larger than 3/4
Start out looking at them. 7x1=7 odd 7x2=14 even 7x3=21 odd 7x4=28 even 7x5=35 odd 7x6=42 even... so it looks like half might be even and half odd, This is because if we look at the numbers 1-14, ie 1,2,3,4,5,6,7,8,9,10,11,12,13. and 14, they alternate odd and even and since 7 is odd and odd times an even is always an even number and an odd times an odd is always an odd number. So to answer the question we need only look at the number of odd numbers between 1 and 14 inclusive. There are 6 so 1,3,5,7,9,11,13 give odd multiples ANSWER: so 7 odd multiples of 7 between 1 and 100
Strictly we do not classify polynomials by the number of terms but by the highest power of the variable (its degree).For example, if x is the variable then a polynomial with highest power...... x0 (degree 0) is a constant e.g. 4x0 = 4... x1 (degree 1) is linear e.g. 2x1 + 5 = 2x + 5... x2 (degree 2) is a quadratic e.g. 3x2 - 2x + 1... x3 (degree 3) is a cubic e.g. 2x3 - 3x2 - 2x + 1... x4 (degree 4) is a quartic e.g. 7x4 + 2x3 - 3x2 - 2x + 1(degree 5) quintic, (degree 6) sextic, (degree 7) septic, (degree 8) octic,...Although it appears as if the degree of a polynomial is always one less than the number of terms, in general this not the case. For example, x3 - 9 is cubic with only 2 terms or 4x8 is an octic with only one term.
7x4 equals 28.
An expression. It can be factored out slightly too: 2x6 + 5x3 - 7x4 = x3(2x3 - 7x + 5)
7x4=28
31
50
The answer is: 49
7 x 4 = 28
7x4=28 days
the answer is 28(7x4=28)
7x6=42 7x4=28
7x2*x2 = 7x4
7x4+8