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sleet_krkn [62]
3 years ago
5

Find the product mentally using distributive property 3 x 78 solve this problem :}

Mathematics
2 answers:
12345 [234]3 years ago
8 0

Answer:

234 is the answer

Step-by-step explanation:

Rainbow [258]3 years ago
5 0

Answer:

234

Step-by-step explanation:

3 x 78= 3 x 70 + 3 x 8

210 + 24

=234

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What is the value? <br> 5x+3=4x ?? bit confused
Irina-Kira [14]
Minus 4x from both sides
x+3=0
minus 3 from both sides
x=-3
5 0
3 years ago
ZA and ZB are complementary angles. If<br> the measure of ZA is 42°, find the measure<br> of ZB.
Sunny_sXe [5.5K]
Answer: ZB = 48 degree

Explanation:

Complementary angle means 2 angel add together and create a right angle (90 degree).

Thus, ZA + ZB = 90 degree
But ZA = 42 degree

=> 42 degree + ZB = 90 degree
=> ZB = (90 - 42)degree
=> ZB = 48 degree
4 0
3 years ago
4 1/2 ÷ 1 1/4 = a b/c
Alex17521 [72]

Here is the equation:

4 \frac{1}{2} \div 1 \frac{1}{4} = a \frac{b}{c}

When you're going to be dividing fractions, you have to keep, change, and flip. Also, make sure you make the fractions improper when it's a mixed number.

4 \frac{1}{2} = \frac{9}{2}

1 \frac{1}{4} = \frac{5}{4}

Now keep, change, flip

Keep\ \frac{9}{2} \\ Change \div to\ \times \\ Flip\ \frac{5}{4} = \frac{4}{5}

Your new equation is:

\frac{9}{2} \times \frac{4}{5}

Multiply:

\frac{9}{2} \times \frac{4}{5} = \frac{36}{10} = 3 \frac{6}{10}  \rightarrow 3 \frac{3}{5}

Your answer is:

3 \frac{3}{5} \\ a = 3 \\ b = 3 \\ c = 5

3 0
3 years ago
4. What is the y-intercept of the line represented by y=4x?
chubhunter [2.5K]

Answer:

(0,0) choice a.

Step-by-step explanation:

if you let x = 0  you can find the y-intercept.

so   y = 4*0 = 0

Which means y=0 is the y-intercept.

5 0
3 years ago
Determine whether these two ratios make a proportion;3 over 8 comma 24 over 64<br><br> TRUE OR FALSE
Stolb23 [73]

Answer:

TRUE.

Step-by-step explanation:

24/64

Divide top and bottom of the fraction by 8:

(24/8) / (64 / 8)

= 3/8.

6 0
2 years ago
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